US3799316A
(en )
1974-03-26
Automatic erase mechanism
GB750454A
(en )
1956-06-13
Improvements in or relating to tape controlled typewriter
ES344148A1
(es )
1968-09-16
Un aparato de imprimir.
GB374109A
(enrdf_load_stackoverflow )
US3592309A
(en )
1971-07-13
Cyclically operable typewriter
US3581860A
(en )
1971-06-01
Method and apparatus for shifting a typing element
US2387078A
(en )
1945-10-16
Typewriting machine
US2287100A
(en )
1942-06-23
Calculating typing machine with a motor drive
US2675110A
(en )
1954-04-13
Jam release means for typewriting machines
US1274365A
(en )
1918-08-06
Combined type-writing and computing machine.
GB425691A
(en )
1935-03-20
Improvements in or relating to power operated typewriters
US1873406A
(en )
1932-08-23
Repeat mechanism for typewriters
GB191114816A
(en )
1912-03-21
Improvements in Combined Adding and Typewriting Machines.
US1388253A
(en )
1921-08-23
Typewriting-machine
US2707076A
(en )
1955-04-26
H sharpe
GB748825A
(en )
1956-05-09
Improvements in or relating to tabulator mechanism of a typewriter or like machine
US1804189A
(en )
1931-05-05
Typewriting machine
US2025956A
(en )
1935-12-31
Computing machine
US1216623A
(en )
1917-02-20
Type-writing machine.
US1100844A
(en )
1914-06-23
Escapement mechanism for type-writers.
GB815563A
(en )
1959-06-24
Improvements in typewriters
US667649A
(en )
1901-02-05
Type-writer.
US778595A
(en )
1904-12-27
Combined type-writing and adding machine.
US1026879A
(en )
1912-05-21
Type-writing machine.
US896502A
(en )
1908-08-18
Type-writing machine.