DK38408C
(en )
1928-02-06
Automatic Crystal Detector for Use in Wireless Telegraphy and Telephony.
DK45886C
(en )
1932-07-04
Amplifier device for Telegraphy and Telephony.
DK35869C
(en )
1926-04-12
Earpiece for Telephones and similar Devices.
FR620202A
(en )
1927-04-19
Graduated dial with luminous markers, used in radio telegraphy and radio telephony
DK38820C
(en )
1928-05-29
Device for Multiplication and Division.
DK38940C
(en )
1928-07-02
Call Curtains and the like.
ES97290A1
(en )
1926-05-16
Improvements in receiving devices for telegraphy and wireless telephony.
DK41771C
(en )
1930-03-03
Procedure and Device for the Manufacture of Cigars.
ES99104A1
(en )
1926-11-01
Improvements in radiotelegraph and telephone communications.
DK44595C
(en )
1931-09-14
Procedure and Device for Sucking Cellulose and the Like.
DK45453C
(en )
1932-03-29
Coupling device for Telephone system with Selector operation and Voice current amplifiers.
DK45748C
(en )
1932-05-30
Coupling device for Telephone system with Selector operation and Voice current amplifiers.
DK38349C
(en )
1928-01-23
Closing device for Folders and the like.
DK32390C
(en )
1923-10-22
Receiving device for use in radio telegraphy and radio telephony.
DK42371C
(en )
1930-06-10
Procedure for Finding and Draining Peat Mass.
DK43075C
(en )
1930-09-29
Procedure for Finding and Draining Peat Mass.
DK36310C
(en )
1926-08-02
Tuning device for radios and the like.
DK37050C
(en )
1927-01-24
Procedure and Device for Manufacturing Barrels.
DK40081C
(en )
1929-04-29
Tone amplifier for radios, gramophones and the like.
DK39013C
(en )
1928-07-16
Holder for Socks and the like.
DK42655C
(en )
1930-07-21
Cleaning device for threshers and the like.
DK46168C
(en )
1932-09-12
Connecting device between dental flushing device and faucet.
DK38485C
(en )
1928-02-27
Defoamer for Milk and the like.
DK39717C
(en )
1929-01-21
Pillow and Holster for the same.
DK38514C
(en )
1928-03-05
Conveyor for sacks and the like.