US1932220A
(en )
1933-10-24
Calculating machine
GB418536A
(enrdf_load_stackoverflow )
US2201713A
(en )
1940-05-21
Calculating machine
US2063740A
(en )
1936-12-08
Calculating machine
GB479234A
(enrdf_load_stackoverflow )
1900-01-01
US1874164A
(en )
1932-08-30
Total
US2492703A
(en )
1949-12-27
Division mechanism for key-respon
US1858321A
(en )
1932-05-17
Calculating machine
US1842950A
(en )
1932-01-26
robertson
US1966657A
(en )
1934-07-17
von pein
US3021052A
(en )
1962-02-13
Operation signalling mechanism for cash registers
US1755499A
(en )
1930-04-22
Cash register
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US2227509A
(en )
1941-01-07
Cash register
US2414027A
(en )
1947-01-07
Partial
GB191116725A
(en )
1912-07-18
Improvements in or relating to Cash Register Machines.
US2949229A
(en )
1960-08-16
gubelmann
GB191115908A
(en )
1912-07-04
Improvements in or relating to the Setting and Differential Actuating Mechanisms of Calculating-machines.
GB434369A
(enrdf_load_stackoverflow )
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB144361A
(en )
1920-06-07
Improvements in cash registers
GB106881A
(enrdf_load_stackoverflow )
GB516693A
(enrdf_load_stackoverflow )
GB509441A
(enrdf_load_stackoverflow )
GB285500A
(en )
1929-05-21
Improvements in or relating to cash registers