US3618738A
(en )
1971-11-09
Vertical paper feed for a drafting typewriter
GB709185A
(enExample )
GB1004128A
(en )
1965-09-08
Improvements in or relating to keyboard operated machines
GB843819A
(en )
1960-08-10
Improvements in typewriter mechanisms
GB868453A
(en )
1961-05-17
Improvements in or relating to typewriters and the like including tabulating mechanisms
US3021937A
(en )
1962-02-20
Selective interlock mechanism
US2567937A
(en )
1951-09-18
Power-operated carriage return mechanism for typewriting and like machines
GB853086A
(en )
1960-11-02
Remote control system for stenographic machines
US3311211A
(en )
1967-03-28
Keyboard sequence discriminator with different codes for upper and lower case
US3045799A
(en )
1962-07-24
Keyboard interlock control means
GB748757A
(enExample )
US2164422A
(en )
1939-07-04
Typewriting machine
US3757920A
(en )
1973-09-11
Electric typewriter with input-output arrangement
US3581860A
(en )
1971-06-01
Method and apparatus for shifting a typing element
US2832455A
(en )
1958-04-29
Strip feeding mechanism
US3099391A
(en )
1963-07-30
Ten key computing machine
GB1497322A
(en )
1978-01-05
Document feeding apparatus and latching mechanism
US3048252A
(en )
1962-08-07
Carriage return control means
US2904159A
(en )
1959-09-15
Proportional spacing mechanism for typewriters
US3038577A
(en )
1962-06-12
Keyboard control and actuating apparatus
US2958409A
(en )
1960-11-01
Decimal tabulation mechanism
JPH0110206Y2
(enExample )
1989-03-23
US2037769A
(en )
1936-04-21
Typewriting and like machine
GB813791A
(en )
1959-05-21
Apparatus for controlling simultaneously two independent mechanisms
US2689032A
(en )
1954-09-14
Key operated mechanism for type writing or like machines