US2720832A
(en )
1955-10-18
Indexable type wheel with reset means
GB229937A
(enrdf_load_stackoverflow )
US1730147A
(en )
1929-10-01
horton
US3890488A
(en )
1975-06-17
Digital print and punch tape recorder having read-write memory
US2821135A
(en )
1958-01-28
Automatic time recorder
GB452451A
(en )
1936-08-24
Improvements in or relating to record-card-controlled printing mechanism
GB854085A
(en )
1960-11-16
Communication equipment
GB937146A
(en )
1963-09-18
Data-marking machine
GB1151808A
(en )
1969-05-14
Pulse-Operated Line Printer for Electronic Data-Processing Installations.
GB818884A
(en )
1959-08-26
Improvements in and relating to printing apparatus
GB776409A
(en )
1957-06-05
Printing unit, especially for record controlled business machines
US2641180A
(en )
1953-06-09
Zero splits
US2335911A
(en )
1943-12-07
Printing mechanism
US2496598A
(en )
1950-02-07
Electrically controlled platen operating mechanism for time stamps
GB509042A
(enrdf_load_stackoverflow )
US1358284A
(en )
1920-11-09
carroll
US1835373A
(en )
1931-12-08
Time-controlled accounting machine
GB280580A
(en )
1929-02-11
Improvements in or relating to statistical machines
GB223067A
(enrdf_load_stackoverflow )
US864510A
(en )
1907-08-27
Cash-register.
US380595A
(en )
1888-04-03
randall
US2715054A
(en )
1955-08-09
larrabee
GB337478A
(enrdf_load_stackoverflow )
GB154248A
(en )
1920-11-29
Improvements in and relating to calculating machines
US2960164A
(en )
1960-11-15
Apparatus for checking recorded information