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
GB416498A
(enrdf_load_stackoverflow )
GB232967A
(enrdf_load_stackoverflow )
GB407380A
(enrdf_load_stackoverflow )
1900-01-01
GB228184A
(enrdf_load_stackoverflow )
GB211622A
(enrdf_load_stackoverflow )
US2745914A
(en )
1956-05-15
Continuous issue interlock
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
GB275968A
(enrdf_load_stackoverflow )
GB756253A
(enrdf_load_stackoverflow )
GB243734A
(enrdf_load_stackoverflow )
GB518617A
(enrdf_load_stackoverflow )
GB221812A
(enrdf_load_stackoverflow )
GB483113A
(enrdf_load_stackoverflow )
GB255390A
(enrdf_load_stackoverflow )
GB455290A
(enrdf_load_stackoverflow )
GB607744A
(enrdf_load_stackoverflow )
US1672385A
(en )
1928-06-05
Total mechanism
GB462686A
(enrdf_load_stackoverflow )
GB723574A
(enrdf_load_stackoverflow )
GB250612A
(enrdf_load_stackoverflow )
GB292619A
(enrdf_load_stackoverflow )