FR563482A
(en )
1923-12-06
Flat cross-wound coil applicable to telegraphy and wireless telephony
FR34315E
(en )
1929-05-04
Improvements to telegraphy and wireless telephony antennas
FR577339A
(en )
1924-09-03
Improvements in ferromagnetic circuit reactance coils used in telegraphy and wireless telephony
FR564230A
(en )
1923-12-24
Rheostat particularly applicable to telegraphy and wireless telephony
FR622255A
(en )
1927-05-27
Choke coil more particularly applicable to wireless telephony and telegraphy
FR564527A
(en )
1924-01-04
Improvements to telegraphy and wireless telephony antennas
FR635782A
(en )
1928-03-24
Improvements in telegraphy and wireless telephony devices
FR586527A
(en )
1925-03-28
Capacitor for wireless telephony and telegraphy
FR644260A
(en )
1928-10-05
Contactor more particularly applicable to wireless telephony and telegraphy
FR578987A
(en )
1924-10-07
Improvements to antennas used for wireless telephony and telegraphy
FR647204A
(en )
1928-11-21
Improvements in telegraphy and wireless telephony
FR577457A
(en )
1924-09-05
Improvements to amplifying devices for telegraphy and wireless telephony
FR591810A
(en )
1925-07-18
New antenna frame for telegraphy, telephony and wireless telemechanics
FR649874A
(en )
1928-12-28
Improvements to transmitters for telegraphy and wireless telephony
FR565175A
(en )
1924-01-21
Improvements in wireless telegraphy valves
FR561047A
(en )
1923-10-15
Improvements to telegraphy and wireless telephony installations
FR564885A
(en )
1924-01-14
Telephone receiver applicable in particular to wireless telephony
FR642680A
(en )
1928-09-01
Improvements to electronic tubes used in telegraphy and wireless telephony and to electronic valves
FR619632A
(en )
1927-04-06
Switch particularly applicable in wireless telephony and telegraphy
FR580634A
(en )
1924-11-12
Transmission and reception mode in wireless telegraphy and telephony
FR626987A
(en )
1927-09-23
Reducing dial applicable to wireless telegraphy
FR561149A
(en )
1923-10-16
New removable frame for receiving telegraphy and wireless telephony
FR578230A
(en )
1924-09-20
Variable capacitor for wireless telephony and telegraphy
FR570596A
(en )
1924-05-03
Improvements to receiving apparatus for wireless telegraphy and telephony and other similar applications
FR649685A
(en )
1928-12-26
Improvements to telegraphy and wireless telephony receivers