GB222231A
(enrdf_load_stackoverflow )
US3254595A
(en )
1966-06-07
Document imprinting apparatus
US2841265A
(en )
1958-07-01
Dual strip feeding mechanism for calculating machines
GB375884A
(en )
1932-07-07
Improvements in or relating to machines for printing on, and perforating, record cards
US2183920A
(en )
1939-12-19
Combined typewriting and account
US1874700A
(en )
1932-08-30
Calculating machine
US2545636A
(en )
1951-03-20
Printing and punching means for accounting machines
US1722446A
(en )
1929-07-30
Cash register
US3801774A
(en )
1974-04-02
Apparatus for automatic processing of data
GB248063A
(en )
1926-02-25
Improvements in or relating to mechanism for recording by simultaneous printing and perforating
US1883853A
(en )
1932-10-18
Iooooooooo
US2318448A
(en )
1943-05-04
Tabulating mechanism for accounting machines
US1814178A
(en )
1931-07-14
Paper carriage
US1391129A
(en )
1921-09-20
Ticket-printing mechanism
US2178037A
(en )
1939-10-31
Mechanism for the advancement of the carriage of typewriters and the like
US1964810A
(en )
1934-07-03
Printing mechanism for accounting machines
US1468185A
(en )
1923-09-18
Best available cop
US3186636A
(en )
1965-06-01
Receipt printing and validating device
US1741201A
(en )
1929-12-31
Accounting machine
US2423430A
(en )
1947-07-01
Differential line-spacing mechanism for typewriters
US2053578A
(en )
1936-09-08
Apparatus for feeding and aligning paper sheets for a typewriter
US1983698A
(en )
1934-12-11
H kaufmann
US2313418A
(en )
1943-03-09
Special character and amount printing mechanism
US1960189A
(en )
1934-05-22
Calculating machine
US665656A
(en )
1901-01-08
Recording change-maker.