GB523687A
(enExample )
US2154381A
(en )
1939-04-11
Cash register
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB453280A
(enExample )
US1857356A
(en )
1932-05-10
Calculating and listing machine
GB516693A
(enExample )
US1555534A
(en )
1925-09-29
Cash register
GB445877A
(en )
1936-04-20
Improvements in or relating to calculating or the like machines
GB737050A
(en )
1955-09-21
Computing machine
US1966657A
(en )
1934-07-17
von pein
US1899455A
(en )
1933-02-28
Schaft
GB162734A
(enExample )
GB191306951A
(en )
1914-03-20
Improvements in or relating to Calculating or like Machines.
GB310053A
(enExample )
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
US1285150A
(en )
1918-11-19
Combined type-writing and computing machine.
GB508918A
(enExample )
US2645419A
(en )
1953-07-14
Item and total printing mechanism for calculating machines
GB456157A
(en )
1936-11-04
Improvements in and relating to computing and printing machines having bichrome ribbons
US2940668A
(en )
1960-06-14
Sign signal mechanism
GB704337A
(enExample )
GB406671A
(enExample )