GB434436A
(en )
1935-09-02
Improvements in or relating to sheet feeding mechanism for printing mechanism applicable to statistical, calculating and like machines
GB424149A
(en )
1935-02-15
Improvements in or relating to release control mechanism for calculating machines, accounting machines, and similar machines
GB400269A
(https= )
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
US1787489A
(en )
1931-01-06
Carriage equipment for accounting machines
US2288916A
(en )
1942-07-07
Calculating machine
US1913892A
(en )
1933-06-13
Tyfjswriting and calculating machine
US3048252A
(en )
1962-08-07
Carriage return control means
US1204612A
(en )
1916-11-14
Back-spacing mechanism.
USRE23031E
(en )
1948-08-24
Calculating machine
US2710140A
(en )
1955-06-07
anderson
GB821200A
(https= )
US2894615A
(en )
1959-07-14
Carriage movement controls 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
US1395991A
(en )
1921-11-01
gascon
US3600555A
(en )
1971-08-17
Dual function motor key for calculators
US1932646A
(en )
1933-10-31
Combined typewriting and computing machine
US3601044A
(en )
1971-08-24
Printer mechanism
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines
US2328560A
(en )
1943-09-07
Tabulating mechanism
US2057161A
(en )
1936-10-13
Calculating machine
GB900541A
(en )
1962-07-04
Document sorting and accounting systems and apparatus
US3072048A
(en )
1963-01-08
Stop mechanism control for record feeding apparatus