AT108961B
(en )
1928-02-25
Device to protect against contact with live parts on improper lamp sockets.
CH116462A
(en )
1926-09-01
Device to facilitate hearing.
FR634423A
(en )
1928-02-17
Plug
FR624378A
(en )
1927-07-16
Elastic contact plugs
AT104641B
(en )
1926-11-10
Device for atomizing fuels.
DK38083C
(en )
1927-10-24
Electrical socket plug.
FR596258A
(en )
1925-10-20
Device of sockets and bases of electric lamps allowing the orientation of the filaments of the latter
FR624930A
(en )
1927-07-29
Metal light bar with cover, enclosing the lamp sockets and electrical conductors
DK45572C
(en )
1932-04-25
Device for electrical socket plugs.
FR585653A
(en )
1925-03-05
Automatic spark plug
CH145572A
(en )
1931-02-28
Lighting device on electric dry air devices.
CH99540A
(en )
1923-06-01
Device for indirect shooting with rifles.
AT108026B
(en )
1927-11-25
Device for automatic switching on and off of electric lamps.
FR580793A
(en )
1924-11-15
Socket outlet with switch and lamp holder socket, combined
DK37623C
(en )
1927-06-27
Socket with concentric contact parts.
ES86400A1
(en )
1923-11-16
Adjustable electric lamp and other applications.
FR619015A
(en )
1927-03-25
Spark plug with tester
CA230048A
(en )
1923-04-03
Electric lamp protective device
ES97000A1
(en )
1926-04-16
Spark plug with test arrangement.
FR576855A
(en )
1924-08-27
Single-phase transformer with sockets
ES98063A3
(en )
1926-08-01
Improvements in electrical ignition devices.
DK37661C
(en )
1927-07-04
Resilient socket for electric lamps.
FR600033A
(en )
1926-01-28
Multiple socket outlet
AT108631B
(en )
1928-01-25
Device for interrupting an electrical current.
ES87490A1
(en )
1924-01-01
Socket or socket for electric lamps.