GB1121077A
(enrdf_load_stackoverflow )
US2226960A
(en )
1940-12-31
Accounting machine
US2821342A
(en )
1958-01-28
Capellaro
US2467441A
(en )
1949-04-19
Early value setting mechanism
GB1197609A
(en )
1970-07-08
Improvements in or relating to Calculating Machines, Cash Registers or the like.
US2250837A
(en )
1941-07-29
Calculating machine
US2364769A
(en )
1944-12-12
Accounting machine
GB457273A
(enrdf_load_stackoverflow )
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
US2309293A
(en )
1943-01-26
Accounting machine
GB668507A
(enrdf_load_stackoverflow )
US2392515A
(en )
1946-01-08
anschotz etal
GB778652A
(enrdf_load_stackoverflow )
GB352731A
(enrdf_load_stackoverflow )
GB1065019A
(enrdf_load_stackoverflow )
GB1163445A
(en )
1969-09-04
Improvements in Adding or like Machine including a PrintingDevice
GB365164A
(enrdf_load_stackoverflow )
GB856242A
(en )
1960-12-14
Calculating or similar accounting machines
GB143462A
(enrdf_load_stackoverflow )
GB737050A
(en )
1955-09-21
Computing machine
GB469034A
(enrdf_load_stackoverflow )
GB810797A
(enrdf_load_stackoverflow )
GB753841A
(enrdf_load_stackoverflow )
GB783849A
(enrdf_load_stackoverflow )
GB528737A
(enrdf_load_stackoverflow )