GB614382A
(enExample )
GB1074171A
(en )
1967-06-28
Improvements in or relating to calculating machines
GB631443A
(en )
1949-11-02
Improvements in or relating to accounting machines and similar calculating machines
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB681034A
(enExample )
US1738422A
(en )
1929-12-03
Printing machine particularly for tickets, tickets of admission, receipts, and the like
GB521229A
(enExample )
US2644636A
(en )
1953-07-07
Control mechanism for accounting
GB768507A
(en )
1957-02-20
Accounting or similar calculating machine
GB453474A
(enExample )
GB693679A
(en )
1953-07-01
Calculating machines
GB224535A
(enExample )
GB384759A
(enExample )
GB631441A
(enExample )
GB474051A
(en )
1937-10-25
Improvements in or relating to cash registers and similar accounting machines
GB405661A
(enExample )
GB193861A
(enExample )
GB427108A
(enExample )
GB194291A
(enExample )
GB807278A
(en )
1959-01-14
Rotary slide valves
GB437912A
(enExample )
GB706900A
(enExample )
GB310053A
(enExample )
GB668841A
(en )
1952-03-26
Improvements in indicator devices for cash registers and like accounting machines
GB414377A
(enExample )