US1016276A
(en )
1912-02-06
Adding and listing machine.
GB608988A
(https= )
US3016007A
(en )
1962-01-09
Tiotttnr tttf print-
US3323717A
(en )
1967-06-06
Control device for a ten key adding printing machine
GB427722A
(https= )
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
US2166067A
(en )
1939-07-11
Transfer mechanism
US2711855A
(en )
1955-06-28
Automatic non-tabulating mechanism for accounting machines
GB268839A
(https= )
US2170183A
(en )
1939-08-22
Cash register and accounting
US1693753A
(en )
1928-12-04
Computing machine
GB190828253A
(en )
1909-12-28
Improvements in and relating to Mechanical Calculators.
GB416498A
(https= )
GB189827574A
(en )
1899-05-27
Improvements in or relating to Cash Registers or Check Tills.
US1100929A
(en )
1914-06-23
Calculating-machine.
US1759069A
(en )
1930-05-20
Cash begisteb ob similab machine
GB344040A
(https= )
GB190929891A
(en )
1910-03-29
Improvements in and relating to Mechanical Calculators.
GB417991A
(https= )
1900-01-01
GB191026858A
(en )
1911-11-20
Improvements in Typographical Adding and like Calculating Machines.
GB1084690A
(https= )
GB193455A
(https= )
GB813083A
(en )
1959-05-06
Calculating machines or similar accounting machines
GB224244A
(en )
1925-03-27
Improvements in keyboard and differential mechanism for cash registers or calculating machines
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.