US2330689A
(en )
1943-09-28
Register
GB753841A
(enrdf_load_stackoverflow )
US2087182A
(en )
1937-07-13
Listing adding machine
US2261341A
(en )
1941-11-04
Adding and listing machine
US3194496A
(en )
1965-07-13
Pin carriage to clutch interlock mechanism in a ten-key adding and subtracting machine
US3130904A
(en )
1964-04-28
- calculating machine with storing mechanism
US2330270A
(en )
1943-09-28
Register
GB518840A
(enrdf_load_stackoverflow )
GB191109563A
(en )
1912-06-19
Improvements in and relating to Multiplying Arrangements for Calculating Machines.
GB598524A
(enrdf_load_stackoverflow )
GB787507A
(enrdf_load_stackoverflow )
GB749504A
(enrdf_load_stackoverflow )
GB718412A
(enrdf_load_stackoverflow )
GB668507A
(enrdf_load_stackoverflow )
GB434369A
(enrdf_load_stackoverflow )
GB804771A
(en )
1958-11-19
Multiplying Machines
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
GB737050A
(en )
1955-09-21
Computing machine
GB478432A
(enrdf_load_stackoverflow )
GB686541A
(enrdf_load_stackoverflow )
GB721535A
(enrdf_load_stackoverflow )
GB469034A
(enrdf_load_stackoverflow )
GB849752A
(en )
1960-09-28
Improvements in or relating to 10-key calculating machines
GB414507A
(enrdf_load_stackoverflow )
GB748756A
(enrdf_load_stackoverflow )
1900-01-01