GB352731A
(enrdf_load_stackoverflow )
US2308940A
(en )
1943-01-19
Tens transfer mechanism for
US2360704A
(en )
1944-10-17
Calculating machine
US2108896A
(en )
1938-02-22
Cash register
US2646922A
(en )
1953-07-28
Calculating machine
GB479234A
(enrdf_load_stackoverflow )
1900-01-01
US3008637A
(en )
1961-11-14
Complemental keyboard
US2457050A
(en )
1948-12-21
Printing mechanism fob adding
US3279694A
(en )
1966-10-18
Jr., etal
totalizer selecting control
GB335213A
(enrdf_load_stackoverflow )
US2982469A
(en )
1961-05-02
Capel
GB197352A
(enrdf_load_stackoverflow )
GB1121077A
(enrdf_load_stackoverflow )
US3186637A
(en )
1965-06-01
Cash registers and like adding machines
US1744183A
(en )
1930-01-21
Assig-itoh
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 )
US1380792A
(en )
1921-06-07
Calculating-machine
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
US1396716A
(en )
1921-11-08
magnus
GB491465A
(enrdf_load_stackoverflow )
GB753841A
(enrdf_load_stackoverflow )
GB778643A
(enrdf_load_stackoverflow )