US3589281A
(en )
1971-06-29
Value-setting means for printing wheels in postal franking machines
US2734614A
(en )
1956-02-14
Proportional ribbon feed mechanism
US2148861A
(en )
1939-02-28
Impression mechanism
US3902418A
(en )
1975-09-02
Printing apparatus
GB231507A
(https= )
GB193035A
(en )
1924-07-03
Ciphering machine
GB745482A
(en )
1956-02-29
Key-controlled perforating machines
US1836671A
(en )
1931-12-15
Auditing machine
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
(https= )
GB201152A
(https= )
US1960948A
(en )
1934-05-29
Reaistbb
GB402417A
(https= )
US1320680A
(en )
1919-11-04
forth
US2395781A
(en )
1946-02-26
Electric time recorder
GB297048A
(https= )
US1923273A
(en )
1933-08-22
Printing telegraph
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
US1886769A
(en )
1932-11-08
Ticket issuing machine
GB351981A
(https= )
GB308707A
(https= )
GB868489A
(https= )