GB440352A
(enExample )
US3415349A
(en )
1968-12-10
Multicolor printing device for business machines and equipment
US1987015A
(en )
1935-01-08
Overdraft control of ribbon mechanism
US2208050A
(en )
1940-07-16
Cash register
US2154381A
(en )
1939-04-11
Cash register
GB501405A
(enExample )
GB481900A
(enExample )
US1584744A
(en )
1926-05-18
Typewriting machine
GB541523A
(enExample )
US1858027A
(en )
1932-05-10
Combined typewriting
US1609137A
(en )
1926-11-30
Typewriting machine
US1794464A
(en )
1931-03-03
Combined typewriting anb computing machine
GB208705A
(enExample )
GB473791A
(enExample )
GB456157A
(en )
1936-11-04
Improvements in and relating to computing and printing machines having bichrome ribbons
US1256309A
(en )
1918-02-12
Combined type-writing and computing machine.
US700525A
(en )
1902-05-20
Cash-register.
GB406671A
(enExample )
GB189808678A
(en )
1898-10-08
Improvements in Cash Registers.
GB190009811A
(en )
1900-07-14
Improvements in or relating to Combined Typewriting and Computing Machines.
GB509042A
(enExample )
GB362527A
(enExample )
GB407738A
(en )
1934-03-29
Improvements in or relating to calculating machines, accounting machines and similar machines
GB730839A
(en )
1955-06-01
Cash registers and similar accounting machines
GB141012A
(en )
1921-03-03
Improvements in cash registers