DK35412C
(en )
1925-12-21
Antenna System for Reducing Atmospheric Interference by Receiving Wireless Intelligence.
DK33189C
(en )
1924-05-12
Antenna system for wireless Telegraphy.
DK24502C
(en )
1919-05-12
Reception system for wireless Telephony.
DK27638C
(en )
1921-05-17
Receiver for wireless Telegraphy.
DK24869C
(en )
1919-08-18
Transmitter for Radio Telegraph Stations.
DK33406C
(en )
1924-06-30
Device for Directional Detectors for Wireless Telegraphy.
DK30784C
(en )
1922-11-27
Antenna system.
DK35612C
(en )
1926-02-15
Wireless Receiving System.
DK30231C
(en )
1922-09-11
Direction finder for wireless Signaling.
DK23775C
(en )
1918-11-25
Device for Receivers for Wireless Telegraphy.
DK35725C
(en )
1926-03-08
Radio reception system.
DK30997C
(en )
1922-12-27
Telegraphic Receiver.
ES71631A1
(en )
1920-02-16
Receiving devices for wireless telegraphy.
DK29853C
(en )
1922-07-03
Transmitter for Wireless Telegraphy.
DK30065C
(en )
1922-08-14
Directional antenna for wireless Telegraphy.
DK29392C
(en )
1922-02-27
Method and Apparatus for Reducing Atmospheric Interference by Receiving Radio Signals.
AT98596B
(en )
1924-11-25
Directional antenna for wireless telegraphy.
DK26592C
(en )
1920-09-06
Receiver for wireless Signals.
ES71526A1
(en )
1920-03-16
Improvements in radio communication systems.
DK36298C
(en )
1926-07-26
Antenna for Radio Stations.
DK30799C
(en )
1922-11-27
Procedure for Receiving Radio Signals According to the Interference Principle.
DK34142C
(en )
1925-02-16
Connecting device for controlling relays by means of wave signals, in particular for use in wireless rapid telegraphy.
ES70955A1
(en )
1919-11-01
Portable field phone station.
DK41988C
(en )
1930-04-07
Receiving system for wireless signal transmission.
DK28527C
(en )
1921-09-26
Stowage device for hiking trail.