GB614382A
(enrdf_load_stackoverflow )
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
(enrdf_load_stackoverflow )
US1738422A
(en )
1929-12-03
Printing machine particularly for tickets, tickets of admission, receipts, and the like
GB521229A
(enrdf_load_stackoverflow )
US2644636A
(en )
1953-07-07
Control mechanism for accounting
GB453474A
(enrdf_load_stackoverflow )
GB693679A
(en )
1953-07-01
Calculating machines
GB224535A
(enrdf_load_stackoverflow )
GB631441A
(enrdf_load_stackoverflow )
GB474051A
(en )
1937-10-25
Improvements in or relating to cash registers and similar accounting machines
GB405661A
(enrdf_load_stackoverflow )
GB681035A
(enrdf_load_stackoverflow )
GB193861A
(enrdf_load_stackoverflow )
GB1073852A
(enrdf_load_stackoverflow )
GB773188A
(enrdf_load_stackoverflow )
GB194291A
(enrdf_load_stackoverflow )
GB437912A
(enrdf_load_stackoverflow )
GB706900A
(enrdf_load_stackoverflow )
GB310053A
(enrdf_load_stackoverflow )
GB810798A
(enrdf_load_stackoverflow )
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines
GB247080A
(en )
1926-02-11
Improvements in computing and recording machines