US1854875A
(en )
1932-04-19
M white
US2071141A
(en )
1937-02-16
Joht doe
GB361484A
(enrdf_load_stackoverflow )
US2340261A
(en )
1944-01-25
Calculating and registering machine
US1987015A
(en )
1935-01-08
Overdraft control of ribbon mechanism
US1832791A
(en )
1931-11-17
Calculating machine
US1132711A
(en )
1915-03-23
Registering mechanism.
US2088662A
(en )
1937-08-03
Accounting machine
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
GB438369A
(enrdf_load_stackoverflow )
US2341588A
(en )
1944-02-15
Totalizer
US1794464A
(en )
1931-03-03
Combined typewriting anb computing machine
GB748756A
(enrdf_load_stackoverflow )
1900-01-01
US1043804A
(en )
1912-11-12
Cash-register.
GB629707A
(en )
1949-09-27
Improvements in or relating to accounting and similar calculating machines
GB611539A
(en )
1948-11-01
Improvements in or relating to cash registers and similar accounting machines
US1118376A
(en )
1914-11-24
Computing and registering mechanism.
US1837599A
(en )
1931-12-22
And lawrence
US1790472A
(en )
1931-01-27
Computing machine
US1843648A
(en )
1932-02-02
Adding machine
US3050245A
(en )
1962-08-21
Totalizer engaging controls
GB749504A
(enrdf_load_stackoverflow )
US899398A
(en )
1908-09-22
Adding-machine.
GB547954A
(enrdf_load_stackoverflow )
GB361017A
(en )
1931-11-19
Improvements in and relating to typewriters, calculating type machines, high speed telegraph machines, type-printing telegraphs, and the like