US3589281A
(en )
1971-06-29
Value-setting means for printing wheels in postal franking machines
US2148861A
(en )
1939-02-28
Impression mechanism
US3902418A
(en )
1975-09-02
Printing apparatus
GB231507A
(enExample )
GB745482A
(en )
1956-02-29
Key-controlled perforating machines
US1836671A
(en )
1931-12-15
Auditing machine
US1083580A
(en )
1914-01-06
Monitor.
US2202377A
(en )
1940-05-28
Ticket issuing machine
GB216142A
(en )
1925-08-14
Improvements in or relating to statistical machines
US1976615A
(en )
1934-10-09
Electric verifying machine
GB330264A
(enExample )
GB201152A
(enExample )
GB402417A
(enExample )
US2395781A
(en )
1946-02-26
Electric time recorder
GB297048A
(enExample )
US3275232A
(en )
1966-09-27
Proof encoder and perforating system therefor
GB183867A
(en )
1922-07-26
Improvements relating to apparatus for compiling and printing statistics from perforated record cards
US1794540A
(en )
1931-03-03
Check-writing machine
US1886769A
(en )
1932-11-08
Ticket issuing machine
GB351981A
(enExample )
GB308707A
(enExample )
GB868489A
(enExample )
US2973810A
(en )
1961-03-07
Electric keyboard for tape perforator
US2225043A
(en )
1940-12-17
Control method and device for radio sets and the like
GB549530A
(enExample )