GB454938A
(enrdf_load_stackoverflow )
US2139718A
(en )
1938-12-13
Cash register
US2087182A
(en )
1937-07-13
Listing adding machine
US1832791A
(en )
1931-11-17
Calculating machine
US2459441A
(en )
1949-01-18
Computing machine
US3039680A
(en )
1962-06-19
Cash registers
GB464422A
(enrdf_load_stackoverflow )
US1911520A
(en )
1933-05-30
marbach
US2628029A
(en )
1953-02-10
Broido
GB541447A
(enrdf_load_stackoverflow )
GB703886A
(enrdf_load_stackoverflow )
1900-01-01
GB434369A
(enrdf_load_stackoverflow )
GB566942A
(enrdf_load_stackoverflow )
GB1012831A
(enrdf_load_stackoverflow )
GB368117A
(enrdf_load_stackoverflow )
GB621755A
(enrdf_load_stackoverflow )
GB547954A
(enrdf_load_stackoverflow )
GB191203390A
(en )
1913-02-06
Combined Typewriter and Computing Machine.
GB970251A
(enrdf_load_stackoverflow )
GB346465A
(enrdf_load_stackoverflow )
GB635580A
(enrdf_load_stackoverflow )
GB191327655A
(en )
1915-01-01
Improvements in and relating to Methods of Calculating & Calculating Apparatus.
GB144367A
(enrdf_load_stackoverflow )
GB526446A
(en )
1940-09-18
Improvements in and relating to cash registers
GB560021A
(enrdf_load_stackoverflow )