DK37108C
(en )
1927-02-07
Apparatus for the automatic transmission of telegraphic distress signals.
DK58968C
(en )
1941-08-25
Apparatus for Receiving Television Signals.
DK36789C
(en )
1926-11-15
Apparatus for the automatic transmission of telegraphic distress signals from ships.
DK35248C
(en )
1925-11-09
Automatic Operating Device for Transmitting Signals.
ES123657A3
(en )
1931-08-16
Automatic apparatus for producing Morse telegraph and radiotelegraph signals.
DK33357C
(en )
1924-06-16
Apparatus for automatic setting of railway signals.
DK34305C
(en )
1925-03-23
Apparatus for Cooling Coke.
DK34107C
(en )
1925-02-02
Apparatus for Opening Windows.
DK34511C
(en )
1925-05-11
Apparatus for Series Connection of Radiotelephones.
FR30076E
(en )
1926-01-26
Receiver device for television
DK35074C
(en )
1925-09-28
Apparatus for the formation of uniform droplets.
DK42110C
(en )
1930-04-22
Device for Secret Transmission of Signals.
DK42622C
(en )
1930-07-21
Device for Secret Transmission of Signals.
DK43169C
(en )
1930-10-13
Device for Secret Transmission of Signals.
DK45735C
(en )
1932-05-30
Telegraphy Procedure for Automatic Creation of Received Signals and Apparatus for Execution of the Procedure.
DK36459C
(en )
1926-08-30
Apparatus for automatic closing of gas taps or the like.
DK37502C
(en )
1927-05-23
Apparatus for Making Ceruts.
DK44005C
(en )
1931-04-13
System for Transmission of Signals with Device for Control of their Amplitudes.
DK36962C
(en )
1926-12-27
Apparatus for automatic interruption of heat generation.
DK38316C
(en )
1928-01-02
Submarine Telegraph System.
CA239447A
(en )
1924-04-15
Telegraphic apparatus
CA245796A
(en )
1924-12-30
Automatic telephone system
CA240104A
(en )
1924-05-13
Automatic telephone system
CA245451A
(en )
1924-12-16
Automatic telephone system
CA244034A
(en )
1924-10-28
Automatic telephone system