GB523687A
(https= )
US2646929A
(en )
1953-07-28
Gourdon
US2154381A
(en )
1939-04-11
Cash register
US2096465A
(en )
1937-10-19
Calculating machine
GB453280A
(https= )
US2279455A
(en )
1942-04-14
Calculating machine
US2514754A
(en )
1950-07-11
Clutch control means
GB516693A
(https= )
US1555534A
(en )
1925-09-29
Cash register
GB445877A
(en )
1936-04-20
Improvements in or relating to calculating or the like machines
GB660641A
(https= )
US1966657A
(en )
1934-07-17
von pein
US1899455A
(en )
1933-02-28
Schaft
GB162734A
(https= )
GB191306951A
(en )
1914-03-20
Improvements in or relating to Calculating or like Machines.
GB310053A
(https= )
US1508267A
(en )
1924-09-09
Overdraft key-locking and indicating mechanism for calculating machines
GB606627A
(https= )
US2541507A
(en )
1951-02-13
Partial product multiplying machine
GB550097A
(en )
1942-12-23
Improvements in and relating to cash registers and like calculating machines
GB818166A
(en )
1959-08-12
Cash registers or similar accounting machines
GB190508021A
(en )
1905-06-29
Improvements in and relating to Cash Indicators and Registers.
GB672288A
(en )
1952-05-21
An improved drum counter for apparatus indicating telephone charges
GB372633A
(https= )
GB508918A
(https= )