|
US2805749A
|
|
Tabulating mechanism for recording apparatus
|
|
US2802048A
|
|
Selecting and printing apparatus
|
|
US2606641A
|
|
Carriage return mechanism for recording apparatus
|
|
US2644560A
|
|
Latch operated clutch mechanism
|
|
US2502013A
|
|
Telegraphic communication system
|
|
US2474257A
|
|
Telegraphic communication system with automatic answer back and alarm signals
|
|
US2573718A
|
|
Telegraph system
|
|
US2334205A
|
|
Selective switching
|
|
US2192354A
|
|
Printing telegraph receiver
|
|
US2192352A
|
|
Receiving perforator
|
|
US2192350A
|
|
Selective system and printing telegraph apparatus
|
|
US1420931A
|
|
Keyboard tape perforator
|
|
US1045855A
|
|
Telegraphic-tape perforator.
|
|
US1014600A
|
|
Electrical relay.
|
|
US905327A
|
|
Electric signaling system.
|
|
US871346A
|
|
Fishing-reel.
|
|
US871345A
|
|
Fishig-reel.
|
|
US946372A
|
|
Keyboard telegraphic transmitter.
|
|
US731688A
|
|
Pliers.
|
