GB750454A
(en )
1956-06-13
Improvements in or relating to tape controlled typewriter
GB1141587A
(en )
1969-01-29
Keyboard operated printer
US4172672A
(en )
1979-10-30
Device for facilitating location of the printing point and/or correction of characters
US3288262A
(en )
1966-11-29
Variable spacing mechanism for typewriters and like machines
GB868520A
(enrdf_load_stackoverflow )
US3592309A
(en )
1971-07-13
Cyclically operable typewriter
GB1386329A
(en )
1975-03-05
Code keyboard for typewriters and similar office machines
US3295653A
(en )
1967-01-03
Interlocking device for electric typewriters
US3532205A
(en )
1970-10-06
Printing-carriage back-spacing mechanism for teleprinters
US3827542A
(en )
1974-08-06
Character storage arrangement for a powered typewriter action
US3814228A
(en )
1974-06-04
Repeat mechanism for a printer
US3288263A
(en )
1966-11-29
Carriage long run controlling device for typewriters and like machines
GB425691A
(en )
1935-03-20
Improvements in or relating to power operated typewriters
US2577467A
(en )
1951-12-04
Back spacing mechanism operating means for typewriting or like machines
US2216627A
(en )
1940-10-01
Combined typewriting and computing
US2570931A
(en )
1951-10-09
Printing tabulating mechanism
US3339695A
(en )
1967-09-05
Repeat mechanism for printing device
GB807114A
(en )
1959-01-07
Improvements in and relating to proportional spacing mechanism for typewriters
GB748825A
(en )
1956-05-09
Improvements in or relating to tabulator mechanism of a typewriter or like machine
US3578132A
(en )
1971-05-11
Half-space carriage return mechanism for typewriters
US1388253A
(en )
1921-08-23
Typewriting-machine
US3269511A
(en )
1966-08-30
Typewriter carriage positioning mechanism
US3578133A
(en )
1971-05-11
Nonrepeat mechanism for keyboard
US3065836A
(en )
1962-11-27
Line feed alarm device for sprocket feed printer
US2615552A
(en )
1952-10-28
Tabulating mechanism