CH59525A
(en )
1913-05-16
Wireless telegraphy transmitter
FR470637A
(en )
1914-09-19
Transmitter for wireless telegraphy
FR468230A
(en )
1914-07-01
Wireless telegraphy receiver
FR472119A
(en )
1914-11-24
Wireless Telegraphy Transmitter
FR438816A
(en )
1912-05-29
Radiotelegraph receiver for telegraphy and wireless telephony
FR420452A
(en )
1911-01-31
Transmitter device for wireless telegraphy
FR518478A
(en )
1921-05-26
Improvements to transmitting devices for wireless telegraphy
FR464711A
(en )
1914-03-28
Wireless Telegraphy Telephone Receiver
FR503047A
(en )
1920-06-01
Wireless telegraphy receiving device
FR491910A
(en )
1919-06-23
Receivers for wireless telegraphy
FR518539A
(en )
1921-05-27
Transmitter for high frequency machines for wireless telegraphy and telephony
FR476835A
(en )
1915-09-02
Receiver for wireless telephony
FR465176A
(en )
1914-04-09
Transmitter device for wireless telegraphy
FR495960A
(en )
1919-10-23
Improvements to Receiving Devices for Wireless Telegraphy
FR457404A
(en )
1913-09-17
Improvements to receivers for telegraphy or wireless telephony
FR456788A
(en )
1913-09-04
Receiver station for wireless telegraphy and telephony
FR469290A
(en )
1914-07-28
Transmission apparatus for wireless telegraphy
FR478503A
(en )
1915-12-17
Wireless telegraphy
FR473277A
(en )
1915-01-07
Wireless telegraphy wave detector
FR446257A
(en )
1912-11-30
Receiving apparatus for wireless telegraphy
FR458908A
(en )
1913-10-22
Wireless Telegraph Transmission Alarm
FR469286A
(en )
1914-07-28
Spark gap for wireless telegraphy
FR520284A
(en )
1921-06-23
Receiver system for wireless telegraphy
FR444723A
(en )
1912-10-24
Relay for wireless telegraphy
FR375731A
(en )
1907-07-20
Wireless telegraphy transmitter