GB222231A
(enExample )
US3254595A
(en )
1966-06-07
Document imprinting apparatus
GB375884A
(en )
1932-07-07
Improvements in or relating to machines for printing on, and perforating, record cards
US1884189A
(en )
1932-10-25
Combined calculating and card printing and perforating machine
US1874700A
(en )
1932-08-30
Calculating machine
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
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
US1998846A
(en )
1935-04-23
Writing machine for accountancy work
US1339542A
(en )
1920-05-11
Calculating-machine
US1983698A
(en )
1934-12-11
H kaufmann
US2181990A
(en )
1939-12-05
l fuller
US2313418A
(en )
1943-03-09
Special character and amount printing mechanism
US1260706A
(en )
1918-03-26
Listing-machine for pay-rolls and the like.
US665656A
(en )
1901-01-08
Recording change-maker.
US1995022A
(en )
1935-03-19
Check writer
US2570113A
(en )
1951-10-02
Zero suppressing mfans for printing