FR34315E
(en )
1929-05-04
Improvements to telegraphy and wireless telephony antennas
FR619632A
(en )
1927-04-06
Switch particularly applicable in wireless telephony and telegraphy
FR635782A
(en )
1928-03-24
Improvements in telegraphy and wireless telephony devices
FR678529A
(en )
1930-03-25
Improvements to antennas usable in telegraphy and wireless telephony
FR577339A
(en )
1924-09-03
Improvements in ferromagnetic circuit reactance coils used in telegraphy and wireless telephony
FR564527A
(en )
1924-01-04
Improvements to telegraphy and wireless telephony antennas
FR644260A
(en )
1928-10-05
Contactor more particularly applicable to wireless telephony and telegraphy
FR606557A
(en )
1926-06-16
Improvements in wireless telephony and telegraphy receiving stations
FR647204A
(en )
1928-11-21
Improvements in telegraphy and wireless telephony
FR640044A
(en )
1928-07-04
Improvements in wireless telephony and telegraphy stations
FR638781A
(en )
1928-06-02
Improvements in wireless telephony and telegraphy receiving stations
FR622255A
(en )
1927-05-27
Choke coil more particularly applicable to wireless telephony and telegraphy
FR601219A
(en )
1926-02-25
Improvements in telegraph and wireless telephony stations
FR591810A
(en )
1925-07-18
New antenna frame for telegraphy, telephony and wireless telemechanics
FR580634A
(en )
1924-11-12
Transmission and reception mode in wireless telegraphy and telephony
FR652980A
(en )
1929-03-15
New frequency changer in telegraphy and wireless telephony
ES105748A1
(en )
1928-02-16
Perfections in telegraphy and telephony.
FR564885A
(en )
1924-01-14
Telephone receiver applicable in particular to wireless telephony
FR682106A
(en )
1930-05-23
Improvements in telegraphy and wireless telephony devices
FR659974A
(en )
1929-07-05
Improvements in the assembly of wireless telephony and telegraphy stations
FR586287A
(en )
1925-03-20
Improvements in the construction of variable air condensers and similar apparatus, particularly applicable to wireless telephony and telegraphy
AU423626A
(en )
1926-10-21
Improvements in or relating to wireless telegraphy and telephony
FR567645A
(en )
1924-03-07
Improvements in wireless telephony
ES78694A1
(en )
1921-09-16
Improvements in wireless telegraphy and telephony.
FR616465A
(en )
1927-02-02
Development of capacitors used in telegraphy and wireless telephony