GB523687A
(enrdf_load_stackoverflow )
US2646929A
(en )
1953-07-28
Gourdon
US2539949A
(en )
1951-01-30
Cash register
US2154381A
(en )
1939-04-11
Cash register
US2444564A
(en )
1948-07-06
Cash register
US2096465A
(en )
1937-10-19
Calculating machine
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB453280A
(enrdf_load_stackoverflow )
US1857356A
(en )
1932-05-10
Calculating and listing machine
US2279455A
(en )
1942-04-14
Calculating machine
US1555534A
(en )
1925-09-29
Cash register
GB445877A
(en )
1936-04-20
Improvements in or relating to calculating or the like machines
US2229771A
(en )
1941-01-28
Cash register
GB162734A
(enrdf_load_stackoverflow )
GB310053A
(enrdf_load_stackoverflow )
US2330512A
(en )
1943-09-28
Calculating machine
US1508267A
(en )
1924-09-09
Overdraft key-locking and indicating mechanism for calculating machines
US2278272A
(en )
1942-03-31
Cash register
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
GB190508021A
(en )
1905-06-29
Improvements in and relating to Cash Indicators and Registers.
US1285150A
(en )
1918-11-19
Combined type-writing and computing machine.
GB672288A
(en )
1952-05-21
An improved drum counter for apparatus indicating telephone charges
GB372633A
(enrdf_load_stackoverflow )
GB508918A
(enrdf_load_stackoverflow )