GB469034A
(enrdf_load_stackoverflow )
US2087182A
(en )
1937-07-13
Listing adding machine
US3009634A
(en )
1961-11-21
Allward
US2702668A
(en )
1955-02-22
dustin
US2261341A
(en )
1941-11-04
Adding and listing machine
GB479234A
(enrdf_load_stackoverflow )
1900-01-01
US2199253A
(en )
1940-04-30
Transfer mechanism for key-set
US3008637A
(en )
1961-11-14
Complemental keyboard
US3194496A
(en )
1965-07-13
Pin carriage to clutch interlock mechanism in a ten-key adding and subtracting machine
US2070785A
(en )
1937-02-16
Register
US3130904A
(en )
1964-04-28
- calculating machine with storing mechanism
US3039680A
(en )
1962-06-19
Cash registers
GB668507A
(enrdf_load_stackoverflow )
GB747352A
(enrdf_load_stackoverflow )
GB480322A
(enrdf_load_stackoverflow )
GB506500A
(enrdf_load_stackoverflow )
GB753841A
(enrdf_load_stackoverflow )
GB424420A
(enrdf_load_stackoverflow )
1900-01-01
GB635580A
(enrdf_load_stackoverflow )
GB849752A
(en )
1960-09-28
Improvements in or relating to 10-key calculating machines
GB191019978A
(en )
1911-08-24
Improvements in and relating to Cash Registers.
GB190906428A
(en )
1910-03-17
Improvements in Cash Registers or Accounting Machines.
GB686541A
(enrdf_load_stackoverflow )
GB338551A
(enrdf_load_stackoverflow )
GB701905A
(enrdf_load_stackoverflow )