US3236352A
(en )
1966-02-22
Keyboard operated automatic marking machine
US2818958A
(en )
1958-01-07
Escapement pawl control
GB676195A
(en )
1952-07-23
Improvements in and relating to typing and justifying machines
GB462331A
(enrdf_load_stackoverflow )
GB1060756A
(en )
1967-03-08
Escapement mechanisms for typewriters
GB1075955A
(en )
1967-07-19
Device for incrementing a rotatable member
US3268049A
(en )
1966-08-23
Function control arrangements having common drive means
US3718243A
(en )
1973-02-27
Apparatus for storing typing commands given in too rapid succession by keys
US2897941A
(en )
1959-08-04
Type bar trip mechanism
US3706366A
(en )
1972-12-19
Repeat typing mechanism for power operated typewriters
US1614473A
(en )
1927-01-18
Power-operated typewriter
US3730323A
(en )
1973-05-01
Repeat spacing mechanism for typewriters
US2728435A
(en )
1955-12-27
Repeat operation mechanism for power driven typewriters or like machines
US2383260A
(en )
1945-08-21
Typewriting machine
GB672642A
(en )
1952-05-21
Improvements in and relating to justifying typewriters
US2897943A
(en )
1959-08-04
Carriage return control arrangement
US2865488A
(en )
1958-12-23
Proportional letter feed mechainism
US2330960A
(en )
1943-10-05
Typewriting machine
US3204747A
(en )
1965-09-07
Stop setting and clearing mechanism for typewriting and like printing machines
US1614474A
(en )
1927-01-18
Power-operated back spacer for typewriters
US2999577A
(en )
1961-09-12
Embossing machine
US3586150A
(en )
1971-06-22
Tabulator safety apparatus
GB235025A
(en )
1925-06-11
Improvements in folding typewriting-machines
US2919007A
(en )
1959-12-29
Variable letter space and margin control mechanism for typewriters
GB754403A
(enrdf_load_stackoverflow )