GB504774A
(en )
1939-05-01
Improvements in or relating to typewriting machines
GB511381A
(en )
1939-08-17
Improvements in silent typewriting machines
GB511240A
(en )
1939-08-15
Improvements in or relating to keyboards for stenographic recording or typewriting machines
AU102953B2
(en )
1938-01-27
Improvements in or relating to platen operating mechanism for typewriting and like machines
AU49937A
(en )
1938-01-27
Improvements in or relating to platen operating mechanism for typewriting and like machines
GB508440A
(en )
1939-06-30
Improvements in or relating to carriage stop mechanism for typewriters and like machines
GB516964A
(en )
1940-01-17
Improvements in or relating to ink-ribbon mechanism for typewriters and the like machines
GB516346A
(en )
1940-01-01
Improvements in or relating to transfer-sheet feed mechanism for typewriting, teleprinting and like machines
CA363113A
(en )
1937-01-05
Typewriter platen
GB511447A
(en )
1939-08-18
Improvements in or relating to stationery feed mechanisms for typewriters and other recording machines
GB510051A
(en )
1939-07-26
Improvements in or relating to card controlled typewriting machines
CA365896A
(en )
1937-05-04
Typewriting and computing machine
CA368845A
(en )
1937-09-21
Typewriting and computing machine
CA366199A
(en )
1937-05-18
Typewriting and computing machine
GB505592A
(en )
1939-05-15
Improvements in or relating to safety devices for platen printing machines
AU103506B2
(en )
1938-03-31
Improvements in machine for printing on bottles
GB517540A
(en )
1940-02-01
Improvements in or relating to carbon roll mechanism for typewriters and like machines
GB511214A
(en )
1939-08-15
Improvements in or relating to recording machines and keyboards therefor
GB507573A
(en )
1939-06-15
Improvements in shut position indicators for typewriting and like machines
AU154937A
(en )
1938-03-31
Improvements in machine for printing on bottles
AU524336A
(en )
1937-10-21
Improvements in and relating to duplicating machines
CA369129A
(en )
1937-10-05
Combined typewriting, bookkeeping and card-perforating machine
CA368469A
(en )
1937-09-07
Typing machine and ink supplying device
CA369469A
(en )
1937-10-26
Typewriter mechanism and carbon sheet
GB510022A
(en )
1939-07-26
Improvements in or relating to card controlled typewriting machines