DK32568C
(en )
1923-12-03
Procedure and Device for Affecting Incoming Wireless Signals.
DK28421C
(en )
1921-09-12
Press and Procedure for Draining Peat.
DK32296C
(en )
1923-09-24
Audio receiver for wireless Telegraphy and Telephony.
DK32940C
(en )
1924-03-10
Procedure for Receiving Wireless Signals.
DK32036C
(en )
1923-07-30
Device for Antennas for Wireless Telegraphy and Telephony.
DK29050C
(en )
1921-12-19
Holding device for Telephones, Hearing Tubes and the like.
DK26592C
(en )
1920-09-06
Receiver for wireless Signals.
DK30161C
(en )
1922-09-04
Setting device for Signals and the like.
DK25198C
(en )
1919-11-17
Procedure and Apparatus for Transmitting Signals, Speech and Other Messages.
DK24551C
(en )
1919-05-19
Audio amplifier for Telephones and the like.
DK33839C
(en )
1924-11-10
Amplifier connection device for Telephone system.
DK32540C
(en )
1923-11-26
Procedure and Apparatus for Operating Automatic Devices for Automatic and Semi-Automatic Telephone Systems and the Like.
DK29737C
(en )
1922-06-12
Method and Apparatus for Transmitting Signals, Telegraph Signs and the Like.
DK24502C
(en )
1919-05-12
Reception system for wireless Telephony.
DK37437C
(en )
1927-05-09
Device for Receiving Wireless Signals.
DK24180C
(en )
1919-03-03
Potato-laying device.
ES69916A1
(en )
1919-07-01
Methods and apparatus for radio telegraphic signals.
DK27638C
(en )
1921-05-17
Receiver for wireless Telegraphy.
DK35195C
(en )
1925-10-26
Transfer device for Telephone lines.
DK37791C
(en )
1927-08-08
Device for setting and unloading shift tracks and signals.
DK33125C
(en )
1924-04-22
Transmission system for High Frequency Telegraphy and the like.
AT96060B
(en )
1924-02-25
Device for wireless transmission of telephone and telegraph signals.
DK32326C
(en )
1923-10-01
Connection device for Telephone system with Line selectors.
DK24803C
(en )
1919-07-28
Device for winding up paper and the like.
DK30228C
(en )
1922-09-11
Soldering and Distance Determination Apparatus.