GB523532A
(en )
1940-07-17
Improvements in totalizers for calculating machines
GB943821A
(en )
1963-12-04
A cash register or similar accounting machine
GB1055297A
(en )
1967-01-18
Improvements in or relating to calculating and accounting machines
US2710139A
(en )
1955-06-07
Swanson
US2019897A
(en )
1935-11-05
Printing machine
US1642009A
(en )
1927-09-13
Sellschaft
US2121967A
(en )
1938-06-28
Cash register
US2765736A
(en )
1956-10-09
Type bar control for accounting machines
US2421930A
(en )
1947-06-10
Mechanism for the advancement of the carriage of typewriters and the like
US1980346A
(en )
1934-11-13
Bookkeeping machine
US2622515A
(en )
1952-12-23
Zero printing control for tabulators
GB699815A
(en )
1953-11-18
Improvements in statistical card controlled machines
US735367A
(en )
1903-08-04
Tabulating device for type-writers.
US1656672A
(en )
1928-01-17
Typewriting machine
GB190415700A
(en )
1904-10-27
Improvements in Cash Registers.
US1693753A
(en )
1928-12-04
Computing machine
GB203642A
(cg-RX-API-DMAC10.html )
US1931126A
(en )
1933-10-17
Tally roll mechanism for accounting machines
US1400574A
(en )
1921-12-20
steele
US2071586A
(en )
1937-02-23
Computing machine
GB191006399A
(en )
1911-03-14
Improvements in and relating to Cash Registers and the like.
GB461347A
(cg-RX-API-DMAC10.html )
GB191019976A
(en )
1911-08-24
Improvements in Cash Registers and Autographic Devices therefor.
GB428239A
(cg-RX-API-DMAC10.html )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.