GB855127A
(en )
1960-11-30
Improvements in typewriters
GB463637A
(enrdf_load_stackoverflow )
GB523532A
(en )
1940-07-17
Improvements in totalizers for calculating machines
US2831558A
(en )
1958-04-22
Variable proportional letter feed mechanism
US2675902A
(en )
1954-04-20
Operation control interlocking mechanism for power-operated typewriters or like machines
US2209279A
(en )
1940-07-23
Typewriting machine
US2938615A
(en )
1960-05-31
Type bar drive
GB1088179A
(en )
1967-10-25
Function operating device for an electric typewriter
US2930466A
(en )
1960-03-29
Margin control for typewriters
US3586150A
(en )
1971-06-22
Tabulator safety apparatus
GB1109059A
(en )
1968-04-10
A typewriter or like office machine
GB792332A
(en )
1958-03-26
Improvements in operation controlling mechanism for typewriters or like machines
US3648818A
(en )
1972-03-14
Ribbon fork actuating and locking device
US2803329A
(en )
1957-08-20
Margin control for typewriters
GB1137152A
(en )
1968-12-18
Improvements in or relating to a power assisted control device for an operation in a typewriter
US885715A
(en )
1908-04-28
Type-writing machine.
US3153240A
(en )
1964-10-13
Tape recording typewriters
US2885956A
(en )
1959-05-12
Printing mechanisms
US3204747A
(en )
1965-09-07
Stop setting and clearing mechanism for typewriting and like printing machines
US3269511A
(en )
1966-08-30
Typewriter carriage positioning mechanism
US2897943A
(en )
1959-08-04
Carriage return control arrangement
US2702622A
(en )
1955-02-22
Paper feeding means in accounting machines
GB783870A
(enrdf_load_stackoverflow )
US1693753A
(en )
1928-12-04
Computing machine
GB462331A
(enrdf_load_stackoverflow )