GB166489A
(enrdf_load_stackoverflow )
US1964478A
(en )
1934-06-26
Calculating machine
US2261341A
(en )
1941-11-04
Adding and listing machine
GB479234A
(enrdf_load_stackoverflow )
1900-01-01
GB191017958A
(en )
1911-03-02
A Calculating Machine, especially intended for Effecting Multiplication.
GB474405A
(enrdf_load_stackoverflow )
US2291949A
(en )
1942-08-04
Listing adding machine
GB219923A
(enrdf_load_stackoverflow )
GB231163A
(enrdf_load_stackoverflow )
US1109763A
(en )
1914-09-08
Registering mechanism.
GB136629A
(en )
1919-12-17
Improvements in or relating to Calculators.
GB368117A
(enrdf_load_stackoverflow )
US914467A
(en )
1909-03-09
Computing-machine.
GB191115908A
(en )
1912-07-04
Improvements in or relating to the Setting and Differential Actuating Mechanisms of Calculating-machines.
GB970251A
(enrdf_load_stackoverflow )
GB819544A
(en )
1959-09-02
Improvements in cash registers and similar accounting machines
GB245186A
(enrdf_load_stackoverflow )
1900-01-01
GB190102943A
(en )
1902-02-11
Improvements in Cash Registers
GB434369A
(enrdf_load_stackoverflow )
GB263955A
(enrdf_load_stackoverflow )
GB240156A
(enrdf_load_stackoverflow )
GB385829A
(enrdf_load_stackoverflow )
GB528083A
(enrdf_load_stackoverflow )
GB190715268A
(en )
1908-07-02
Improvements in Cash Registers
GB713695A
(enrdf_load_stackoverflow )
1900-01-01