GB750454A
(en )
1956-06-13
Improvements in or relating to tape controlled typewriter
GB463512A
(enExample )
GB497833A
(enExample )
GB281684A
(enExample )
GB425691A
(en )
1935-03-20
Improvements in or relating to power operated typewriters
US1439669A
(en )
1922-12-19
Typewriting machine
GB521300A
(enExample )
US1388253A
(en )
1921-08-23
Typewriting-machine
GB783869A
(enExample )
GB374109A
(enExample )
GB610960A
(enExample )
US2702622A
(en )
1955-02-22
Paper feeding means in accounting machines
GB487107A
(en )
1938-06-15
Improvements in shift lock releases for typewriters
GB631379A
(enExample )
GB447485A
(enExample )
GB389841A
(enExample )
GB393175A
(en )
1933-06-01
Improvements relating to letter-spacing mechanism for combined typewriting and computing machines
GB191027151A
(en )
1911-09-28
Improvements in Calculating Machines.
GB109562A
(en )
1917-09-20
Improvements in Shift Mechanism for Typewriters.
GB191203819A
(en )
1912-06-06
Improvements in Tabulating Mechanism and Spacing Mechanism for Typewriting and like Machines.
GB868520A
(enExample )
GB539453A
(enExample )
GB305579A
(enExample )
GB499826A
(enExample )
GB474938A
(enExample )