US1878125A
(en )
1932-09-20
Accounting machine
GB380551A
(https= )
GB676195A
(en )
1952-07-23
Improvements in and relating to typing and justifying machines
US2183920A
(en )
1939-12-19
Combined typewriting and account
US2383260A
(en )
1945-08-21
Typewriting machine
US2178037A
(en )
1939-10-31
Mechanism for the advancement of the carriage of typewriters and the like
GB567654A
(en )
1945-02-26
Improvements in and relating to typewriting machines
US1630814A
(en )
1927-05-31
Cash register
US2347720A
(en )
1944-05-02
Calculating machine
US3016188A
(en )
1962-01-09
Multiplier printing mechanism
US1854748A
(en )
1932-04-19
Paper carriage escapement disabling mechanism
US1843648A
(en )
1932-02-02
Adding machine
US1711452A
(en )
1929-04-30
Cash register
US1333356A
(en )
1920-03-09
Typewriting-machine
US2193511A
(en )
1940-03-12
Typewriter
US853297A
(en )
1907-05-14
Type-writing attachment for adding-machines.
GB748756A
(https= )
1900-01-01
GB629707A
(en )
1949-09-27
Improvements in or relating to accounting and similar calculating machines
GB461423A
(https= )
GB239278A
(en )
1925-09-04
Improvements in and relating to indicating mechanism for cash registers
GB631379A
(https= )
GB681924A
(https= )
GB190716997A
(en )
1908-05-28
Improvements in Calculating and Number Listing Machines
GB555659A
(en )
1943-09-01
Improvements in or relating to calculating or like machines
GB411716A
(en )
1934-06-14
Improvements in or relating to paper-feeding means for typewriting and like machines