US622677A
(en)
|
|
1899-04-11 |
|
gallagher |
US1080690A
(en)
|
1913-04-28 |
1913-12-09 |
Samuel Hipkiss |
Foot-ball helmet.
|
US1262818A
(en)
|
1916-10-06 |
1918-04-16 |
William Mcgill |
Foot-ball head-gear.
|
US1522952A
(en)
|
1922-11-20 |
1925-01-13 |
P Goldsmith Sons Company |
Football helmet
|
US1602727A
(en)
|
1924-05-29 |
1926-10-12 |
Wilson Western Sporting Goods |
Helmet or head guard
|
US1669914A
(en)
|
1925-05-01 |
1928-05-15 |
Spalding & Bros Ag |
Football helmet
|
GB256430A
(en)
|
1925-10-06 |
1926-08-12 |
Henry Ridgeway Hart |
Improvement in aviators' helmets
|
US1691202A
(en)
|
1926-06-09 |
1928-11-13 |
Reabourne C Van La |
Helmet
|
US1637692A
(en)
|
1926-06-18 |
1927-08-02 |
Henry Ridgeway Hart |
Helmet
|
US1655007A
(en)
|
1926-06-25 |
1928-01-03 |
Berlin Tanning And Mfg Company |
Headgear
|
US1714275A
(en)
|
1926-11-01 |
1929-05-21 |
Spalding & Bros Ag |
Head guard
|
US1705879A
(en)
|
1928-05-21 |
1929-03-19 |
Scully Bros Inc |
Aviator's helmet
|
US1839657A
(en)
|
1929-02-21 |
1932-01-05 |
Rawlings Mfg Co |
Head helmet
|
US1841232A
(en)
|
1929-07-02 |
1932-01-12 |
Heater Glove Company |
Aviator's helmet
|
US1842953A
(en)
|
1930-02-15 |
1932-01-26 |
Wilson Western Sporting Goods |
Football helmet
|
US1833708A
(en)
|
1931-01-07 |
1931-11-24 |
Edward J Ford |
Pneumatic headgear
|
US1868926A
(en)
|
1932-04-06 |
1932-07-26 |
Tatore Carmine |
Batter's mask and the like
|
US1997187A
(en)
|
1932-11-01 |
1935-04-09 |
James P Taylor |
Localized blow distributing football headguard
|
US2105607A
(en)
|
1935-02-21 |
1938-01-18 |
Vernon R Mcmillan |
Nose guard
|
US2081335A
(en)
|
1935-07-17 |
1937-05-25 |
Standard Sports Mfg Co |
Head guard
|
US2125854A
(en)
|
1936-12-05 |
1938-08-02 |
Robert Malcom |
Helmet
|
US2105028A
(en)
|
1937-01-07 |
1938-01-11 |
Dickhoff Robert |
Safety headgear
|
US2250375A
(en)
|
1937-04-27 |
1941-07-22 |
Courtaulds Ltd |
Manufacture and production of artificial threads, filaments, films, and the like
|
US2150290A
(en)
|
1937-10-30 |
1939-03-14 |
Joseph A Mulvey |
Athletic helmet
|
US2194903A
(en)
|
1939-03-06 |
1940-03-26 |
Holstein Harvey |
Football helmet
|
US2293308A
(en)
|
1940-04-11 |
1942-08-18 |
John T Riddell Inc |
Helmet
|
US2296335A
(en)
|
1940-11-29 |
1942-09-22 |
David R Brady |
Athletic protector
|
US2359387A
(en)
|
1941-05-12 |
1944-10-03 |
John T Riddell |
Protective helmet
|
US2354840A
(en)
|
1942-05-05 |
1944-08-01 |
Seletz Emil |
Anticoncussion helmet
|
US2451483A
(en)
|
1946-06-14 |
1948-10-19 |
Sport Products Inc |
Method of making protective helmets
|
US3296582A
(en)
|
1946-07-23 |
1967-01-03 |
John M Ide |
Underwater listening aid for submerged personnel
|
US2570182A
(en)
|
1948-07-23 |
1951-10-09 |
Us Rubber Co |
Process of making cellular material
|
US2525389A
(en)
|
1949-11-25 |
1950-10-10 |
Herman L Zeller |
Protective face guard
|
US2634415A
(en)
|
1950-03-11 |
1953-04-14 |
Wilson Athletic Goods Mfg Co I |
Helmet
|
US2679046A
(en)
|
1951-11-03 |
1954-05-25 |
Cornell Aeronautical Labor Inc |
Geodetic strap suspension for helmets
|
US2688747A
(en)
|
1952-05-26 |
1954-09-14 |
B F Mcdonald Company |
Plastic helmet
|
US2793365A
(en)
|
1953-02-20 |
1957-05-28 |
Jacob L Kleinman |
Helmets
|
US2768380A
(en)
|
1954-02-08 |
1956-10-30 |
David L Golomb |
Adjustable head guard
|
US2785404A
(en)
|
1954-03-05 |
1957-03-19 |
Macgregor Sport Products Inc |
Protective helmet
|
US2758304A
(en)
|
1954-03-15 |
1956-08-14 |
Mcgowan Hugh |
Football helmet
|
US2777127A
(en)
|
1954-11-05 |
1957-01-15 |
Michael T Marietta |
Athlete's headgear
|
US2785405A
(en)
|
1955-06-02 |
1957-03-19 |
Robert P Snyder |
Football helmet face guard
|
US2867811A
(en)
|
1955-09-13 |
1959-01-13 |
John T Riddell Inc |
Chin strap for helmet
|
US2890457A
(en)
|
1956-02-20 |
1959-06-16 |
Michael T Marietta |
Face mask
|
US2863151A
(en)
|
1956-04-30 |
1958-12-09 |
John T Riddell Inc |
Protective pad
|
US2904645A
(en)
|
1956-09-17 |
1959-09-15 |
George A Sarles |
Helmet radios including a transistor amplifier
|
US2861272A
(en)
|
1957-02-21 |
1958-11-25 |
Whitney A Stuart |
Hinged helmet
|
US2850740A
(en)
|
1957-05-01 |
1958-09-09 |
Joe R Adams |
Helmet having a bifurcated crossbraced face guard
|
US2944263A
(en)
|
1958-02-24 |
1960-07-12 |
Pocono Fabricators Inc |
Safety helmet with face guard
|
US2986739A
(en)
|
1958-03-18 |
1961-06-06 |
Sr Albert Paul Rozzi |
Football helmet face guard
|
US3039108A
(en)
|
1958-07-14 |
1962-06-19 |
John W Lohrenz |
Protective helmet
|
US2985883A
(en)
|
1959-01-23 |
1961-05-30 |
Michael T Marietta |
Sports helmet
|
US3122752A
(en)
|
1961-03-29 |
1964-03-03 |
Michael T Marietta |
Detachable nose guard for athletic helmets
|
US3216023A
(en)
|
1962-02-15 |
1965-11-09 |
John T Riddell Inc |
Jaw protector
|
US3189917A
(en)
|
1962-02-16 |
1965-06-22 |
Danton F Sims |
Protective device
|
US3153973A
(en)
|
1962-03-06 |
1964-10-27 |
Michael T Marietta |
Pad for shielding an exposed end of a fastener
|
US3113318A
(en)
|
1962-05-10 |
1963-12-10 |
Michael T Marietta |
Face mask for athletic helmets
|
US3106716A
(en)
|
1962-05-28 |
1963-10-15 |
Tex Sun Glove Company |
Football helmet face guard and chin strap attachment means
|
US3314423A
(en)
|
1962-08-09 |
1967-04-18 |
Paul L Boatwright |
Means for protecting the mouth
|
US3197784A
(en)
|
1962-09-04 |
1965-08-03 |
Carlisle Res And Dev Corp |
Segmented helmet
|
US3155981A
(en)
|
1963-02-05 |
1964-11-10 |
Mckissick John |
Football helmet cover
|
US3174155A
(en)
|
1963-02-20 |
1965-03-23 |
Dallas Sports Knitting Co Inc |
Protective helmet having a padded outer surface
|
US3139624A
(en)
|
1963-03-18 |
1964-07-07 |
Delby C Humphrey |
Face guard for football helmet
|
US3167783A
(en)
|
1963-06-07 |
1965-02-02 |
American Baseball Cap Inc |
Protective helmet
|
US3274613A
(en)
|
1964-02-03 |
1966-09-27 |
Theo J Sowle |
Pivoting face guard assembly
|
US3187342A
(en)
|
1964-02-26 |
1965-06-08 |
Leonard P Frieder |
Chin strap for a helmet
|
US3208080A
(en)
|
1964-03-30 |
1965-09-28 |
Hirsch Arthur Ernest |
Protective helmet
|
US3283336A
(en)
|
1964-05-06 |
1966-11-08 |
Russell F Critser |
Safety device in combination with a football helmet
|
US3263236A
(en)
|
1964-09-10 |
1966-08-02 |
Delby C Humphrey |
Mounting for face mask
|
US3315272A
(en)
|
1964-12-07 |
1967-04-25 |
Sierra Engineering Company |
Dual visor helmet
|
US3292180A
(en)
|
1964-12-15 |
1966-12-20 |
Michael T Marietta |
Helmet
|
US3274612A
(en)
|
1965-05-18 |
1966-09-27 |
Robert C Merriam |
Helmet for water sports
|
US3323134A
(en)
|
1965-05-24 |
1967-06-06 |
Watson H Walker |
Football helmet construction
|
US3364499A
(en)
|
1965-10-22 |
1968-01-23 |
Chester S. Kwoka |
Protective helmet
|
US3418657A
(en)
|
1966-05-31 |
1968-12-31 |
Army Usa |
Retention device for protective helmet
|
US3566409A
(en)
|
1966-11-08 |
1971-03-02 |
United Aircraft Corp |
Ventilated bump hat
|
US3447162A
(en)
|
1967-02-06 |
1969-06-03 |
Gentex Corp |
Safety helmet with improved stabilizing and size adjusting means
|
FR1528113A
(en)
|
1967-05-03 |
1968-06-07 |
|
Ear protection device
|
US3478365A
(en)
|
1967-08-21 |
1969-11-18 |
Tibor Joseph Varga |
Protective helmet for babies
|
US3462763A
(en)
|
1967-10-03 |
1969-08-26 |
Richard C Schneider |
Impact absorbing protective headgear
|
US3500472A
(en)
|
1968-05-13 |
1970-03-17 |
Joseph D Castellani |
Football and baseball equipment
|
US3568210A
(en)
|
1968-10-10 |
1971-03-09 |
Michael T Marietta |
Protective headgear
|
US3590388A
(en)
|
1969-02-04 |
1971-07-06 |
Mike C Holt |
Athletic helmet
|
US3551911A
(en)
|
1969-02-04 |
1971-01-05 |
George Frost Co |
Protective helmet and method of making same
|
US3548410A
(en)
|
1969-05-01 |
1970-12-22 |
Jerry W Parker |
Airfoil face shield and helmet
|
US3605113A
(en)
|
1969-05-05 |
1971-09-20 |
Charles Wayne Marietta |
Protective headgear
|
US3577562A
(en)
|
1969-10-01 |
1971-05-04 |
Mike C Holt |
Athletes{3 {0 protective helmet particularly football
|
US3629864A
(en)
|
1970-02-16 |
1971-12-28 |
Ato Inc |
Protective helmet
|
US3616463A
(en)
|
1970-07-06 |
1971-11-02 |
Mine Safety Appliances Co |
Shock absorbing helmet
|
US3713640A
(en)
|
1970-07-27 |
1973-01-30 |
Riddell |
Energy absorbing and sizing means for helmets
|
US3729744A
(en)
|
1971-04-01 |
1973-05-01 |
Cougac Inc |
Protective helmet for football or the like
|
US3729746A
(en)
|
1971-04-30 |
1973-05-01 |
Schutt Manuf Co |
Arrangement for connecting a face guard to a helmet
|
GB1354719A
(en)
|
1971-10-13 |
1974-06-05 |
Stadium Ltd |
Chin cups for helmets
|
US3720955A
(en)
|
1971-11-26 |
1973-03-20 |
Questor Corp |
Football helmet
|
US3751728A
(en)
|
1972-02-07 |
1973-08-14 |
Raymond Lee Organization Inc |
Football helmet
|
US3897597A
(en)
|
1972-05-31 |
1975-08-05 |
Dale R Kasper |
Face and head protector
|
US3787895A
(en)
|
1972-07-21 |
1974-01-29 |
P Belvedere |
Protective face mask and padding material therefor
|
US3815152A
(en)
|
1972-10-30 |
1974-06-11 |
D Bednarczuk |
Safety football helmet
|
US3854146A
(en)
|
1972-12-18 |
1974-12-17 |
F Dunning |
Football facemask
|
US3849801A
(en)
|
1972-12-20 |
1974-11-26 |
Medalist Ind Inc |
Protective gear with hydraulic liner
|
US3818508A
(en)
|
1972-12-26 |
1974-06-25 |
Goodyear Tire & Rubber |
Protective headgear
|
US3783450A
(en)
|
1973-02-05 |
1974-01-08 |
Connor W O |
Hockey helmet
|
US3843970A
(en)
|
1973-03-19 |
1974-10-29 |
M Marietta |
Protective headgear
|
US3860966A
(en)
|
1973-03-19 |
1975-01-21 |
Clarence Eugene Brown |
Safety helmet
|
US3916446A
(en)
|
1973-04-23 |
1975-11-04 |
Elwyn R Gooding |
Chin cup and chin strap for protective headgear
|
US3820163A
(en)
|
1973-05-07 |
1974-06-28 |
Cougar Inc |
Football helmet having sectional liner of energy absorbing material
|
US3889296A
(en)
|
1974-02-13 |
1975-06-17 |
Edwin M Martin |
Tear-away face mask subassembly for football helmets
|
US3872511A
(en)
|
1974-03-11 |
1975-03-25 |
Larcher Angelo C |
Protective headgear
|
JPS572922B2
(en)
|
1974-10-16 |
1982-01-19 |
|
|
US3934271A
(en)
|
1974-11-27 |
1976-01-27 |
Jhoon Rhee |
Protective helmet
|
US3994021A
(en)
|
1975-06-05 |
1976-11-30 |
The Kendall Company |
Protective helmet
|
US4028743A
(en)
|
1975-08-04 |
1977-06-14 |
Christensen Cai V |
Protective head-wear
|
US4134155A
(en)
|
1975-09-22 |
1979-01-16 |
The United States Of America As Represented By The Secretary Of The Navy |
Swimmer protective helmet
|
US4023209A
(en)
|
1975-12-17 |
1977-05-17 |
Gentex Corporation |
Protective helmet assembly with segmental outer shell
|
US4023213A
(en)
|
1976-05-17 |
1977-05-17 |
Pepsico, Inc. |
Shock-absorbing system for protective equipment
|
GB1553936A
(en)
|
1976-06-04 |
1979-10-17 |
Renault |
Protective helmet
|
DE2640701C3
(en)
|
1976-09-10 |
1979-03-22 |
Draegerwerk Ag, 2400 Luebeck |
Protective helmet combined with a respirator
|
US4044400A
(en)
|
1976-10-18 |
1977-08-30 |
Bell Helmets Inc. |
Helmet retention system
|
US4075714A
(en)
|
1976-11-15 |
1978-02-28 |
Sierra Engineering Co. |
Helmet characterized by negative lift
|
USD254100S
(en)
|
1977-03-01 |
1980-02-05 |
Sandvik Aktiebolag |
Protective helmet with ear muffs and face protection
|
JPS5937323Y2
(en)
|
1977-04-20 |
1984-10-16 |
三菱電機株式会社 |
Internal molten state detection device for castings
|
USD255394S
(en)
|
1978-04-11 |
1980-06-17 |
Bell Helmets, Inc. |
Ribbed helmet
|
USD256626S
(en)
|
1978-05-12 |
1980-09-02 |
Antonino Morris J |
Helmet for racketball
|
DE2847869C2
(en)
|
1978-11-03 |
1980-11-27 |
Metzeler Schaum Gmbh, 8940 Memmingen |
Head protection made of polyurethane foam for athletes
|
USD257073S
(en)
|
1979-04-02 |
1980-09-30 |
Cooper Canada Limited |
Sports helmet
|
JPS5653735A
(en)
|
1979-10-08 |
1981-05-13 |
On Gouseiyu Kk |
Mixing and agitating machine
|
US4272853A
(en)
|
1979-12-31 |
1981-06-16 |
Schuessler Walter E |
Cold weather hood for safety hat
|
USD266626S
(en)
|
1980-09-11 |
1982-10-26 |
The Regents Of The University Of Michigan |
Police helmet
|
USD266627S
(en)
|
1980-09-11 |
1982-10-26 |
The Regents Of The University Of Michigan |
Protective helmet for athletes
|
USD265520S
(en)
|
1980-09-30 |
1982-07-27 |
Reagents of the University of Michigan |
Youth hockey helmet
|
US4354284A
(en)
|
1981-01-28 |
1982-10-19 |
The Regents Of The University Of Michigan |
Protective liner for outdoor headgear
|
US4398306A
(en)
|
1981-05-28 |
1983-08-16 |
The Regents Of The University Of Michigan |
Chin strap safety attachment for protective headgear
|
JPS57205511A
(en)
|
1981-06-04 |
1982-12-16 |
Yamaha Motor Co Ltd |
Helmet
|
US4434514A
(en)
|
1982-01-07 |
1984-03-06 |
Bell Helmets Inc. |
Bicyclists helmet with air flow and perspiration control
|
CA49703S
(en)
|
1982-01-29 |
1982-05-10 |
Pacific Star Products Inc |
Helmet
|
US4475248A
(en)
|
1982-06-01 |
1984-10-09 |
Canadian Patents & Development Limited |
Explosive ordinance disposal helmet
|
US4461044A
(en)
|
1982-06-04 |
1984-07-24 |
Bell Helmets Inc. |
Bicycle helmet retention system with quick disconnect
|
DE3222681C2
(en)
|
1982-06-16 |
1985-04-18 |
Egon 4830 Gütersloh Busch |
Protective helmet and method of manufacturing protective helmets
|
AU88484S
(en)
|
1982-07-29 |
1984-02-28 |
Rosebank Plastics Pty Ltd |
A helmet
|
US4463456A
(en)
|
1982-09-09 |
1984-08-07 |
Eastern Safety Equipment Co., Inc. |
Protective helmet
|
SE450620B
(en)
|
1982-11-01 |
1987-07-13 |
Frosta Fritid Ab |
PROTECTIVE HELMET WITH SIZE ADJUSTMENT, SPEC FOR ISHOCKEY AND BANDY PLAYERS
|
DE3321097C2
(en)
|
1983-06-10 |
1985-08-29 |
Heller Hydraulik GmbH, 7440 Nürtingen |
Device for the transmission of a pressure medium
|
USD285980S
(en)
|
1983-08-15 |
1986-10-07 |
Bell Helmets Inc. |
Cyclist's ribbed helmet
|
DE3338188A1
(en)
|
1983-10-20 |
1985-05-02 |
Georg F. 1000 Berlin Brückner |
HEAD GUARD FOR SPORTSMEN
|
DE8321097U1
(en)
|
1983-10-27 |
1983-10-27 |
Hans Römer GmbH + Co, 7910 Neu-Ulm |
Hard hat
|
US4566137A
(en)
|
1984-01-20 |
1986-01-28 |
Gooding Elwyn R |
Inflatable baffled liner for protective headgear and other protective equipment
|
US4627115A
(en)
|
1984-01-23 |
1986-12-09 |
Bell Helmets Inc. |
Ventilated helmet
|
USD283268S
(en)
|
1984-03-16 |
1986-04-08 |
T & L Enterprises |
Combined helmet and beverage container holders
|
DE3409786A1
(en)
|
1984-03-16 |
1985-10-10 |
Artur 7060 Schorndorf Föhl |
SAFETY HELMET, IN PARTICULAR HELMET
|
JPS6159631U
(en)
|
1984-09-22 |
1986-04-22 |
|
|
US4587677A
(en)
|
1984-10-16 |
1986-05-13 |
Cooper Canada Limited |
Helmet face mask
|
FR2573630B1
(en)
|
1984-11-26 |
1987-02-27 |
Santini Jean Jacques |
SPORTS OR PROFESSIONAL PROTECTIVE HELMET
|
USD295800S
(en)
|
1985-07-09 |
1988-05-24 |
Shelton Jr Sylvester |
Crocheted football helmet cap
|
DE3603234A1
(en)
|
1986-02-03 |
1987-08-06 |
Huebner Gummi & Kunststoff |
Mask of polyurethane integral foam for the protection of parts of the body
|
USD299978S
(en)
|
1986-02-20 |
1989-02-21 |
Chiarella Michele A |
Helmet
|
DE3607483C2
(en)
|
1986-03-07 |
1995-07-27 |
Piech Corina |
Hard hat
|
US4667348A
(en)
|
1986-03-31 |
1987-05-26 |
Bell Helmets, Inc. |
Cyclist's helmet and face mask
|
USD298367S
(en)
|
1986-06-01 |
1988-11-01 |
Cooper Canada Limited |
Helmet
|
US4677694A
(en)
|
1986-07-16 |
1987-07-07 |
Crow Robert W |
Facial protector for batting helmet
|
US4706305A
(en)
|
1986-09-05 |
1987-11-17 |
Macho Products, Inc. |
Protective headgear
|
DE3632525C2
(en)
|
1986-09-25 |
1996-08-14 |
Britax Roemer Kindersicherheit Gmbh |
Head protection for cyclists and athletes
|
US4766614A
(en)
|
1986-12-31 |
1988-08-30 |
Cantwell Jay S |
Ventilated protective headgear
|
US4741054A
(en)
|
1987-01-22 |
1988-05-03 |
Varo, Inc. |
Chin cup for use with military headgear
|
US5448780A
(en)
|
1987-03-05 |
1995-09-12 |
Gath; Ricky J. |
Safety helmet
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