GB459867A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
GB292619A
(enrdf_load_stackoverflow )
GB484881A
(enrdf_load_stackoverflow )
GB713408A
(enrdf_load_stackoverflow )
US2027449A
(en )
1936-01-14
Calculating machine and cash
GB509444A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
US1883892A
(en )
1932-10-25
Walther flach
GB545785A
(enrdf_load_stackoverflow )
GB334727A
(enrdf_load_stackoverflow )
US2055623A
(en )
1936-09-29
Calculating machine
GB452787A
(enrdf_load_stackoverflow )
GB453280A
(enrdf_load_stackoverflow )
GB851334A
(enrdf_load_stackoverflow )
GB167833A
(enrdf_load_stackoverflow )
GB191305530A
(en )
1914-03-05
Device for Preventing the Depression of More than One Key of the same Group in Cash Registers and like Machines.
GB197983A
(enrdf_load_stackoverflow )
GB447485A
(enrdf_load_stackoverflow )
GB259267A
(enrdf_load_stackoverflow )
GB190524335A
(en )
1906-05-17
Improvements in Calculating Machines.
GB355288A
(enrdf_load_stackoverflow )
GB747470A
(en )
1956-04-04
Cash registers
GB190327803A
(en )
1904-09-22
Improvements in Cash Registers.
GB413304A
(enrdf_load_stackoverflow )