US2062963A
(en )
1936-12-01
Calculating machine
GB243647A
(https= )
US2570931A
(en )
1951-10-09
Printing tabulating mechanism
US3061186A
(en )
1962-10-30
Gelling
GB189826925A
(en )
1899-08-19
Improvements in and connected with Calculating Machines.
GB828156A
(en )
1960-02-17
Improvements in automatic counting devices, especially for duplicating and printing machines
GB240889A
(https= )
GB189904489A
(en )
1899-07-01
An Improved Adding Apparatus.
GB212207A
(https= )
GB190401286A
(en )
1904-05-12
Improvements in Computing and Recording Machines.
GB190820028A
(en )
1909-09-23
Improvements in or relating to Adding Machines.
GB191204376A
(en )
1912-06-19
Improvements in and relating to Calculating Machines.
US511322A
(en )
1893-12-26
Register and calculator
GB614347A
(en )
1948-12-14
Improvements in or relating to cash registers and similiar accounting machines
US1128960A
(en )
1915-02-16
Indicating mechanism.
US770710A
(en )
1904-09-20
Territory
GB320315A
(en )
1929-10-04
Improvements in and relating to means or apparatus for coding and de-coding messages
GB190823729A
(en )
1909-11-05
Improvements in Adding Machines.
GB191417079A
(en )
1915-07-19
Improvements in Calculating Machines.
GB191011810A
(en )
1911-03-09
Improvements in Calculating Machines.
GB191105283A
(en )
1911-11-30
Improvements in Calculating Machines.
GB191017958A
(en )
1911-03-02
A Calculating Machine, especially intended for Effecting Multiplication.
GB190818777A
(en )
1909-04-22
Improvements in and relating to Advertising Devices for use with Coin Freed or Operated Vending and other Machines.
GB219937A
(https= )
GB904426A
(en )
1962-08-29
Cash registers and similar accounting machines