US2320637A
(en )
1943-06-01
Selective blocking arrangement for the keyboards of teleprinters having complete keyboards
GB215010A
(enrdf_load_stackoverflow )
US3045799A
(en )
1962-07-24
Keyboard interlock control means
US3128341A
(en )
1964-04-07
Function disabling mechanism for telegraph printers
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
GB416498A
(enrdf_load_stackoverflow )
GB232967A
(enrdf_load_stackoverflow )
GB407380A
(enrdf_load_stackoverflow )
1900-01-01
GB228184A
(enrdf_load_stackoverflow )
GB211622A
(enrdf_load_stackoverflow )
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
GB275968A
(enrdf_load_stackoverflow )
GB756253A
(enrdf_load_stackoverflow )
GB845071A
(enrdf_load_stackoverflow )
GB243734A
(enrdf_load_stackoverflow )
GB518617A
(enrdf_load_stackoverflow )
US3317128A
(en )
1967-05-02
Pin carriage input arrangement
GB221812A
(enrdf_load_stackoverflow )
GB483113A
(enrdf_load_stackoverflow )
GB255390A
(enrdf_load_stackoverflow )
GB455290A
(enrdf_load_stackoverflow )
GB607744A
(enrdf_load_stackoverflow )
GB570356A
(en )
1945-07-03
Improvements in or relating to machines for making records on statistical cards
GB343152A
(enrdf_load_stackoverflow )
GB723574A
(enrdf_load_stackoverflow )