US2905303A
(en )
1959-09-22
Escapement pawl control
GB780393A
(enrdf_load_stackoverflow )
US3288262A
(en )
1966-11-29
Variable spacing mechanism for typewriters and like machines
GB497833A
(enrdf_load_stackoverflow )
GB676195A
(en )
1952-07-23
Improvements in and relating to typing and justifying machines
US2615622A
(en )
1952-10-28
Rebound preventing means for
US2383260A
(en )
1945-08-21
Typewriting machine
US3295653A
(en )
1967-01-03
Interlocking device for electric typewriters
US2756926A
(en )
1956-07-31
Dodsworth
US2216627A
(en )
1940-10-01
Combined typewriting and computing
US1330278A
(en )
1920-02-10
Calculating-machine
US2372886A
(en )
1945-04-03
Typewriting machine
US3450042A
(en )
1969-06-17
Zero printing control for adding and printing machines
US2929314A
(en )
1960-03-22
Printing mechanism for business machines
GB1064940A
(en )
1967-04-12
Zero printing control device for a calculating machine
US2091646A
(en )
1937-08-31
Calculating machine
US1524365A
(en )
1925-01-27
Bobation oe new yoke
US1282823A
(en )
1918-10-29
Combined type-writing and computing machine.
US2818017A
(en )
1957-12-31
Combined typewriter and printing computing machine
US1943548A
(en )
1934-01-16
Combined typewriting and computing machine
US2684808A
(en )
1954-07-27
Automatic spacing stroke control mechanism for accounting machines
US3420165A
(en )
1969-01-07
Print member actuators with lost motion coupling means
US1189289A
(en )
1916-07-04
Calculating-machine.
GB431354A
(en )
1935-07-05
Improvements in or relating to calculating or the like machines
US709477A
(en )
1902-09-23
Adding-machine.