US2734614A
(en )
1956-02-14
Proportional ribbon feed mechanism
GB774623A
(https= )
US3623429A
(en )
1971-11-30
Hammer lever construction for flying printer
US3915086A
(en )
1975-10-28
Printing apparatus
US2728435A
(en )
1955-12-27
Repeat operation mechanism for power driven typewriters or like machines
US3688691A
(en )
1972-09-05
Multi-station high-speed printing mechanism
US3850098A
(en )
1974-11-26
Plural high-speed printing apparatus
GB1153808A
(en )
1969-05-29
Improvements in or relating to Printers
US4203681A
(en )
1980-05-20
Single element typewriter with error correction feature
US2730039A
(en )
1956-01-10
werner
GB609077A
(https= )
US3927813A
(en )
1975-12-23
Record feed control mechanism
GB208705A
(https= )
US1167416A
(en )
1916-01-11
Recording-machine.
GB530120A
(https= )
GB486438A
(https= )
GB389841A
(https= )
US3722654A
(en )
1973-03-27
Repeat spacing mechanism for typewriters
GB733829A
(https= )
US1271253A
(en )
1918-07-02
Combined type-writing and computing machine.
GB159610A
(https= )
GB225641A
(https= )
GB517469A
(https= )
GB459812A
(https= )
GB501734A
(https= )