GB424149A
(en )
1935-02-15
Improvements in or relating to release control mechanism for calculating machines, accounting machines, and similar machines
GB400269A
(enExample )
GB382613A
(en )
1932-10-17
Improvements in or relating to paper carriages particularly for calculating machines
US2012317A
(en )
1935-08-27
Paper equipment for accounting machines
US1913892A
(en )
1933-06-13
Tyfjswriting and calculating machine
US3048252A
(en )
1962-08-07
Carriage return control means
US2248202A
(en )
1941-07-08
Combined typewriting and computing
US2711855A
(en )
1955-06-28
Automatic non-tabulating mechanism for accounting machines
GB425690A
(en )
1935-03-20
Improvements in or relating to calculating and the like machines
GB821200A
(enExample )
US2894615A
(en )
1959-07-14
Carriage movement controls for accounting machines
US2139131A
(en )
1938-12-06
Calculating machine
US2650758A
(en )
1953-09-01
Automatic skip-tab tabulating mechanism for accounting machines
US2575407A
(en )
1951-11-20
Tape feeding and severing mechanism for marking machines
US2905306A
(en )
1959-09-22
Carriage movement controlling mechanism
US3600555A
(en )
1971-08-17
Dual function motor key for calculators
US1932646A
(en )
1933-10-31
Combined typewriting and computing machine
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines
US2328560A
(en )
1943-09-07
Tabulating mechanism
US3072048A
(en )
1963-01-08
Stop mechanism control for record feeding apparatus
GB447485A
(enExample )
USRE22999E
(en )
1948-05-11
Feinting control means foe cash
GB190628686A
(en )
1907-06-27
Improvements in Adding and Recording Machines.
GB213600A
(enExample )
1900-01-01
GB788088A
(en )
1957-12-23
Linespacing mechanism for accounting machines