GB208232A
(enExample )
GB259267A
(enExample )
US3076595A
(en )
1963-02-05
Becker
GB190826763A
(en )
1909-12-09
Improvements in Apparatus for Adding or Calculating.
GB1122887A
(en )
1968-08-07
A data entry machine
GB191109563A
(en )
1912-06-19
Improvements in and relating to Multiplying Arrangements for Calculating Machines.
GB191105283A
(en )
1911-11-30
Improvements in Calculating Machines.
GB143339A
(en )
1920-05-27
Machine for simultaneously printing amounts in figures and words on dividend warrants, cheques, receipts and the like
GB783849A
(enExample )
US700479A
(en )
1902-05-20
Cash-register.
GB191116726A
(en )
1912-07-22
Improvements in or relating to Cash Register Machines.
GB457273A
(enExample )
GB190412456A
(en )
1904-12-15
Improvements relating to Multiple Record Cash Registers.
GB443786A
(enExample )
GB672771A
(enExample )
GB191116725A
(en )
1912-07-18
Improvements in or relating to Cash Register Machines.
GB190922862A
(en )
1909-12-10
Improvements in Apparatus for Adding or Calculating.
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB623457A
(enExample )
1900-01-01
GB600446A
(enExample )
GB697928A
(enExample )
1900-01-01
GB438369A
(enExample )
GB140363A
(enExample )
GB190225961A
(en )
1903-04-02
Improvements in Cash Registers.
GB190505115A
(en )
1905-12-07
Improvements in Calculating Machines.