DK31951C
(en )
1923-07-09
Device for High Frequency Telegraphy on Wires.
DK34265C
(en )
1925-03-16
Device for High Frequency Telegraphy on a Hughes Line.
DK27167C
(en )
1921-02-14
Device for generating high frequency electrical oscillations.
DK35177C
(en )
1925-10-26
High Frequency Telephony Device.
DK33623C
(en )
1924-09-08
Device for Multiplex Telephony with High Frequency Drum.
ES68359A3
(en )
1918-12-16
An announcing device.
DK31138C
(en )
1923-01-22
Cipher device.
DK33290C
(en )
1924-05-26
Telegraph receiver.
DK23775C
(en )
1918-11-25
Device for Receivers for Wireless Telegraphy.
DK28528C
(en )
1921-09-26
Clamping device for Master, especially for wireless Telegraphy.
DK26032C
(en )
1920-05-31
Electrical Contact Device.
AT80155B
(en )
1920-02-25
Variometer. Variometer.
AT88441B
(en )
1922-05-10
Variometer.
DK28569C
(en )
1921-10-03
Reflector for Signal Devices.
DK36706C
(en )
1926-10-25
Device for multiple High Frequency Telephony or High Frequency Telegraphy on Wires.
DK30210C
(en )
1922-09-11
Electric Discharge Device.
ES66765A1
(en )
1918-06-01
An electrical appliance.
DK23130C
(en )
1918-06-03
Contact device.
DK27021C
(en )
1920-12-20
Perforated device.
ES66815A1
(en )
1918-05-16
An energy-producing device.
DK24977C
(en )
1919-09-08
Telegraph Procedure on High Capacity Lines.
DK25080C
(en )
1919-09-29
Procedure for Insulating Electrical Appliances.
DK26474C
(en )
1920-08-23
Fastening device for Cylinderlaase.
DK29037C
(en )
1921-12-19
Electromagnetic Clamping Device.
DK29502C
(en )
1922-04-18
Device for Stabilizing the Speed of High Frequency Machines.