US2734614A
(en )
1956-02-14
Proportional ribbon feed mechanism
GB672812A
(enrdf_load_stackoverflow )
US2831558A
(en )
1958-04-22
Variable proportional letter feed mechanism
US3268049A
(en )
1966-08-23
Function control arrangements having common drive means
US2905303A
(en )
1959-09-22
Escapement pawl control
GB868453A
(en )
1961-05-17
Improvements in or relating to typewriters and the like including tabulating mechanisms
US2591150A
(en )
1952-04-01
Paper feeding mechanism for
US2168511A
(en )
1939-08-08
Cash register
US2971625A
(en )
1961-02-14
Repeat actuation arrangement for typewriters
US2885052A
(en )
1959-05-05
Device to locate a typewriter carriage at multi-incremental feed stations
US2902137A
(en )
1959-09-01
Tabulating device
US2284803A
(en )
1942-06-02
Listing adding machine
US2383256A
(en )
1945-08-21
Typewriting machine
US2865488A
(en )
1958-12-23
Proportional letter feed mechainism
US2383260A
(en )
1945-08-21
Typewriting machine
US2818961A
(en )
1958-01-07
Electronic tabulation
US2758785A
(en )
1956-08-14
Hvventdrs
US2570931A
(en )
1951-10-09
Printing tabulating mechanism
US2658447A
(en )
1953-11-10
Positive cam operated print mechanism
US2783943A
(en )
1957-03-05
Record card controlled adding machines
US3420165A
(en )
1969-01-07
Print member actuators with lost motion coupling means
US2682308A
(en )
1954-06-29
Indicia applying machine with matrix locating device
US2786412A
(en )
1957-03-26
Record card controlled statistical machines
US2740582A
(en )
1956-04-03
parker
US2516032A
(en )
1950-07-18
Actuator for accumulators in calculating machines