GB543965A
(enrdf_load_stackoverflow )
GB509444A
(enrdf_load_stackoverflow )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
US1274731A
(en )
1918-08-06
Total-proof lock for computing type-writers.
GB191115177A
(enrdf_load_stackoverflow )
GB416498A
(enrdf_load_stackoverflow )
GB732760A
(enrdf_load_stackoverflow )
GB292619A
(enrdf_load_stackoverflow )
GB1122887A
(en )
1968-08-07
A data entry machine
GB528567A
(enrdf_load_stackoverflow )
GB608988A
(enrdf_load_stackoverflow )
US1278458A
(en )
1918-09-10
Combined type-writing and computing machine.
GB427722A
(enrdf_load_stackoverflow )
GB268839A
(enrdf_load_stackoverflow )
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB156279A
(enrdf_load_stackoverflow )
GB629975A
(enrdf_load_stackoverflow )
GB783849A
(enrdf_load_stackoverflow )
GB474938A
(enrdf_load_stackoverflow )
GB191501533A
(en )
1915-06-10
Improvements in Non-print, Non-compute Mechanism for Typographical Computing Machines.
GB481127A
(enrdf_load_stackoverflow )
GB445540A
(enrdf_load_stackoverflow )
GB431623A
(enrdf_load_stackoverflow )
GB275968A
(enrdf_load_stackoverflow )