US2110854A
(en )
1938-03-15
Department store machine
GB259069A
(enExample )
US2816609A
(en )
1957-12-17
Tape perforating machine
US3010387A
(en )
1961-11-28
Printing machines
GB352950A
(en )
1931-07-14
Improvements in or relating to machines for punching statistical record cards
GB745482A
(en )
1956-02-29
Key-controlled perforating machines
US2996245A
(en )
1961-08-15
Punching and reading apparatus for calculating machines
US3183829A
(en )
1965-05-18
Check writing machine
US2736023A
(en )
1956-02-21
La vergne h
US2994473A
(en )
1961-08-01
Machine for punching tabulating cards in connection with credit sales involving a charge plate
US3084013A
(en )
1963-04-02
brett
US3018039A
(en )
1962-01-23
Code read-in translator for controlling lister-calculating machines
US1206089A
(en )
1916-11-28
Time-recorder.
GB965777A
(en )
1964-08-06
Improvements in keyboard-operated mechanisms
US1989887A
(en )
1935-02-05
Combination hole punch
US2213573A
(en )
1940-09-03
Recording lock
US2126595A
(en )
1938-08-09
Record controlled tabulator type
US2160171A
(en )
1939-05-30
Card punch
US3268162A
(en )
1966-08-23
Data source recorder
US3515338A
(en )
1970-06-02
Typewriter controlled recording apparatus
US2703524A
(en )
1955-03-08
Record card controlled recording machine
GB617358A
(en )
1949-02-04
Improvements in or relating to machines used in perforating cards for use in statistical machines
US1834562A
(en )
1931-12-01
Accounting machine with punching attachment
US1228315A
(en )
1917-05-29
Counting and recording mechanism.
GB426270A
(en )
1935-04-01
Improvements in or relating to perforated-record-controlled statistical apparatus