CH3318A
(en )
1891-08-31
Apparatus for transmitting and receiving electrical signals
EP4228358A4
(en )
2023-12-06
METHODS AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS
EP4354812A4
(en )
2024-08-07
METHOD AND APPARATUS FOR TRANSMITTING SIGNAL
CH3320A
(en )
1891-08-31
An electrical signal recording device
CH2923A
(en )
1891-04-30
Electrical signal device
ES12567A1
(en )
1891-11-01
Transmission apparatus for submarine cable and other circuits.
CH1041A
(en )
1889-08-31
Apparatus for transmitting signals on railway trains
FR336017A
(en )
1904-02-24
Device for receiving and transmitting remote commands by electric waves
CA39310A
(en )
1892-07-13
Power transmitting apparatus
CA39293A
(en )
1892-07-13
Power transmitting apparatus
FR371133A
(en )
1907-02-27
Apparatus for transmitting Morse signals
EP4507396A4
(en )
2025-07-30
METHOD FOR TRANSMITTING SIGNAL AND COMMUNICATION APPARATUS
CH3319A
(en )
1891-09-15
Signal device
FR475771A
(en )
1915-06-14
Apparatus for receiving or transmitting electrical signals
FR374862A
(en )
1907-06-25
System and apparatus for submarine signal transmission
FR374934A
(en )
1907-06-26
System and apparatus for submarine signal transmission
CA40720A
(en )
1892-10-15
Apparatus for transmitting power
CA37939A
(en )
1891-12-10
Signal apparatus
FR420448A
(en )
1911-01-30
Apparatus for submarine signal transmission
ES11615A1
(en )
1891-02-16
An automatic rotating apparatus or device.
FR423727A
(en )
1911-04-25
Apparatus for electrically transmitting orders or signals and for indicating their nature and transmission points
CA37118A
(en )
1891-08-07
Electric signal receiving instruments
FR374755A
(en )
1907-06-22
Method and apparatus for submarine signal transmission
CA33359A
(en )
1890-01-08
Vending apparatus
FR415898A
(en )
1910-10-06
Apparatus for transmitting electrical signals