FR37439E
(en )
1930-12-13
Improvements to telegraphy and wireless telephony antennas
FR622255A
(en )
1927-05-27
Choke coil more particularly applicable to wireless telephony and telegraphy
FR644260A
(en )
1928-10-05
Contactor more particularly applicable to wireless telephony and telegraphy
FR678529A
(en )
1930-03-25
Improvements to antennas usable in telegraphy and wireless telephony
FR564527A
(en )
1924-01-04
Improvements to telegraphy and wireless telephony antennas
FR563482A
(en )
1923-12-06
Flat cross-wound coil applicable to telegraphy and wireless telephony
FR626987A
(en )
1927-09-23
Reducing dial applicable to wireless telegraphy
FR634734A
(en )
1928-02-24
Improvements to mandrels intended for the manufacture of coils used more particularly in wireless telephony and telegraphy
FR619632A
(en )
1927-04-06
Switch particularly applicable in wireless telephony and telegraphy
FR564230A
(en )
1923-12-24
Rheostat particularly applicable to telegraphy and wireless telephony
FR647204A
(en )
1928-11-21
Improvements in telegraphy and wireless telephony
FR642680A
(en )
1928-09-01
Improvements to electronic tubes used in telegraphy and wireless telephony and to electronic valves
FR561047A
(en )
1923-10-15
Improvements to telegraphy and wireless telephony installations
FR690565A
(en )
1930-09-23
Improvements to telegraphy and wireless telephony receivers
FR649685A
(en )
1928-12-26
Improvements to telegraphy and wireless telephony receivers
FR618639A
(en )
1927-03-15
New variometer for telegraphy and wireless telephony
FR630992A
(en )
1927-12-12
Improvements to variable capacitors of the <vernier> type more particularly used in telegraphy and wireless telephony
FR38314E
(en )
1931-05-12
Improvements to telegraphy and wireless telephony transmitters
FR649874A
(en )
1928-12-28
Improvements to transmitters for telegraphy and wireless telephony
FR586527A
(en )
1925-03-28
Capacitor for wireless telephony and telegraphy
FR639813A
(en )
1928-06-30
Aerial improvements for telegraphy and wireless telephony
FR578987A
(en )
1924-10-07
Improvements to antennas used for wireless telephony and telegraphy
FR685268A
(en )
1930-07-08
Improvements to telegraphy and wireless telephony transmitters
FR644261A
(en )
1928-10-05
Advanced rheostat designed specifically for wireless telephony and telegraphy
FR616465A
(en )
1927-02-02
Development of capacitors used in telegraphy and wireless telephony