US2221861A
(en )
1940-11-19
Calculating machine
GB634325A
(https= )
US2342082A
(en )
1944-02-15
Cash register
US2168511A
(en )
1939-08-08
Cash register
US1657696A
(en )
1928-01-31
A cobpobation
US2570931A
(en )
1951-10-09
Printing tabulating mechanism
US2074026A
(en )
1937-03-16
Calculating machine
US1630814A
(en )
1927-05-31
Cash register
US2577395A
(en )
1951-12-04
Autographic eegister
US2740582A
(en )
1956-04-03
parker
GB468054A
(en )
1937-06-21
Improvements in or relating to calculating and the like machines
GB477367A
(en )
1937-12-28
Improvements in or relating to sheet feeding mechanism for statistical and like machines
US2905306A
(en )
1959-09-22
Carriage movement controlling mechanism
US2170183A
(en )
1939-08-22
Cash register and accounting
GB693657A
(en )
1953-07-01
Calculating machines
US1688940A
(en )
1928-10-23
X x x-xx
US2837275A
(en )
1958-06-03
Control of totalizer selecting mecha
GB442856A
(https= )
GB648444A
(en )
1951-01-03
Improvements in or relating to means for controlling the printing mechanism of calculating or statistical machines
GB682295A
(https= )
GB530120A
(https= )
GB783849A
(https= )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
GB725828A
(https= )
1900-01-01
GB490524A
(https= )