US2803331A
(en )
1957-08-20
Multiple ribbon copy attachment for typewriters
GB925028A
(enrdf_load_stackoverflow )
GB370423A
(en )
1932-04-06
Improvements in or relating to cash registers
US2774816A
(en )
1956-12-18
Printing telegraph receiver
US2983355A
(en )
1961-05-09
Machine for manipulating sheets or webs of stationery
US1657422A
(en )
1928-01-24
Writing machine
US3732811A
(en )
1973-05-15
Ribbon inking means in keyboard controlled selective printing machines
US2798429A
(en )
1957-07-09
Re-inking mechanism for cash registers
US2203168A
(en )
1940-06-04
Printing mechanism
US2678601A
(en )
1954-05-18
Aurbach
US1880416A
(en )
1932-10-04
Printing mechanism for accounting machines
US3063539A
(en )
1962-11-13
Self-inking tape mechanism
US2214414A
(en )
1940-09-10
Typewriting machine
GB1052016A
(enrdf_load_stackoverflow )
US2634063A
(en )
1953-04-07
Inking ribbon mechanism
US3884341A
(en )
1975-05-20
Paper strip transport and printing mechanism having a common drive
US2660428A
(en )
1953-11-24
Strip feeding apparatus
US1037463A
(en )
1912-09-03
Coupon-strip type-writing machine.
GB1019740A
(en )
1966-02-09
Improvements in or relating to a feed mechanism for inked ribbon
US2662688A
(en )
1953-12-15
Sobisch
US2326765A
(en )
1943-08-17
Tape time recorder with differentiated records
US2730039A
(en )
1956-01-10
werner
US1071885A
(en )
1913-09-02
Type-writing machine.
US1152463A
(en )
1915-09-07
Type-writing machine.
US2321194A
(en )
1943-06-08
Ribbon spreading device for carbon copy making attachments for typewriters