GB340256A
(https= )
US2349660A
(en )
1944-05-23
Cash register
US1875913A
(en )
1932-09-06
Carriage control of ribbon shift mechanism
US3383036A
(en )
1968-05-14
Arrangement for positioning the decimal point in calculating machines
US2894615A
(en )
1959-07-14
Carriage movement controls for accounting machines
GB501405A
(https= )
US1819068A
(en )
1931-08-18
Overdraft and signal printing mechanism for calculating machines
GB190724378A
(en )
1908-11-04
Improvements in and relating to Adding Machines
US1747680A
(en )
1930-02-18
Combined typewriting and computing machine
US1505250A
(en )
1924-08-19
Combined typewriting and computing machine
GB420807A
(https= )
1900-01-01
GB497640A
(https= )
GB348105A
(https= )
GB285885A
(https= )
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
GB523064A
(https= )
GB749504A
(https= )
GB438369A
(https= )
GB490524A
(https= )
GB499027A
(https= )
GB124694A
(https= )
GB631379A
(https= )
GB409101A
(https= )
GB530120A
(https= )
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines