US2399170A
(en )
1946-04-30
Calculating machine
GB352731A
(enrdf_load_stackoverflow )
US2308940A
(en )
1943-01-19
Tens transfer mechanism for
US2226960A
(en )
1940-12-31
Accounting machine
US1877801A
(en )
1932-09-20
britten
US2360704A
(en )
1944-10-17
Calculating machine
US2108896A
(en )
1938-02-22
Cash register
US2646922A
(en )
1953-07-28
Calculating machine
GB1197609A
(en )
1970-07-08
Improvements in or relating to Calculating Machines, Cash Registers or the like.
US3008637A
(en )
1961-11-14
Complemental keyboard
US2457050A
(en )
1948-12-21
Printing mechanism fob adding
US1397774A
(en )
1921-11-22
muller
US3279694A
(en )
1966-10-18
Jr., etal
totalizer selecting control
GB335213A
(enrdf_load_stackoverflow )
US2982469A
(en )
1961-05-02
Capel
US2433679A
(en )
1947-12-30
Indian currency computing and recording calculator
GB197352A
(enrdf_load_stackoverflow )
GB191109563A
(en )
1912-06-19
Improvements in and relating to Multiplying Arrangements for Calculating Machines.
US3186637A
(en )
1965-06-01
Cash registers and like adding machines
US2291949A
(en )
1942-08-04
Listing adding machine
GB143339A
(en )
1920-05-27
Machine for simultaneously printing amounts in figures and words on dividend warrants, cheques, receipts and the like
GB729435A
(enrdf_load_stackoverflow )
GB925622A
(enrdf_load_stackoverflow )
GB491465A
(enrdf_load_stackoverflow )
US1755504A
(en )
1930-04-22
Case register