GB271887A
(https= )
GB632379A
(en )
1949-11-28
Improvements in or relating to keyboards, especially for electrically-controlled accounting or card-punching machines
GB355618A
(en )
1931-08-27
Improvements in and relating to locks
GB1225173A
(https= )
1971-03-17
GB191115221A
(en )
1912-06-27
Improvements in Cash Registers.
US2027449A
(en )
1936-01-14
Calculating machine and cash
GB190014336A
(en )
1901-07-13
An Improvement in Cash Registering Machines.
GB189827574A
(en )
1899-05-27
Improvements in or relating to Cash Registers or Check Tills.
GB1532339A
(en )
1978-11-15
Keyboard and notation system
GB693679A
(en )
1953-07-01
Calculating machines
US3078790A
(en )
1963-02-26
Check writer
GB524630A
(https= )
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
GB541875A
(https= )
GB189706194A
(en )
1898-03-05
Improvements in or relating to Key Mechanisms for Cash Registers, Calculating Machines, and the like.
GB271515A
(en )
1927-09-01
Improvements in or relating to cash registers and like accounting machines
GB191508119A
(en )
1916-06-01
Improvements in and relating to Total Taking and Printing Mechanism of Adding and Subtracting Machines.
GB189801980A
(en )
1898-04-09
Improvements in or relating to Key Board Mechanism for Typewriters and Analogous Machines.
GB766947A
(https= )
GB191116724A
(en )
1912-07-18
Improvements in or relating to Cash Register Machines.
GB190102942A
(en )
1902-01-23
Improvements in Cash Registers
GB698327A
(en )
1953-10-14
Improvements in or relating to keyboard operators for typewriters and other like type-selecting machines
GB190508110A
(en )
1906-04-14
Improvements relating to Apparatus for Stamping or Perforating Tickets, Checks, Receipts or the like and for Indicating such Operations.
GB190412636A
(en )
1904-07-28
Improvements in Cash Registers.
GB190513149A
(en )
1906-03-01
Improvements in Computing Machines and in Means for Operating the same from Typewriters