GB750454A
(en )
1956-06-13
Improvements in or relating to tape controlled typewriter
US2364758A
(en )
1944-12-12
Recording and computing machine
GB1187507A
(en )
1970-04-08
Printer
US2555734A
(en )
1951-06-05
Automatic justifying typewriter
GB568666A
(enrdf_load_stackoverflow )
GB497833A
(enrdf_load_stackoverflow )
US2038716A
(en )
1936-04-28
Automatic ribbon control for calculating machines
US1987015A
(en )
1935-01-08
Overdraft control of ribbon mechanism
US2011310A
(en )
1935-08-13
Bichrome ribbon mechanism for computing machines
US2945578A
(en )
1960-07-19
Variable spacing mechanism for typewriters
US2885052A
(en )
1959-05-05
Device to locate a typewriter carriage at multi-incremental feed stations
US3059845A
(en )
1962-10-23
Apparatus for transmission and reception of impulses representing numerical values and computing operations
US2055186A
(en )
1936-09-22
Machine for verifying perforated record cards
US2818017A
(en )
1957-12-31
Combined typewriter and printing computing machine
US1359231A
(en )
1920-11-16
Combined typewriting and computing machine
GB968496A
(en )
1964-09-02
Anti-rebound device for a printing hammer
US3086701A
(en )
1963-04-23
Capellaro
US2071586A
(en )
1937-02-23
Computing machine
US1294704A
(en )
1919-02-18
Elimination and special-signal mechanism.
US2707076A
(en )
1955-04-26
H sharpe
US3106340A
(en )
1963-10-08
Read-out and recording apparatus
GB559880A
(en )
1944-03-09
Improvements in recording and computing machines
US3117515A
(en )
1964-01-14
Printing mechanism
US3149225A
(en )
1964-09-15
Electromechanical read-in apparatus
GB497640A
(enrdf_load_stackoverflow )