GB157845A
(https= )
GB551311A
(https= )
US2905296A
(en )
1959-09-22
Type lever actuating mechanism
GB259267A
(https= )
GB191408472A
(en )
1914-11-19
Improvements in and relating to Cash Registers.
GB545785A
(https= )
GB221832A
(https= )
GB165043A
(en )
1921-09-29
Improvements in cash registers
US3612831A
(en )
1971-10-12
Function key mechanism in calculating machine or the like
GB194315A
(https= )
SU528891A3
(ru )
1976-09-15
Счетное наборное устройство
GB318256A
(https= )
GB191006399A
(en )
1911-03-14
Improvements in and relating to Cash Registers and the like.
GB191013769A
(en )
1911-02-09
Improvements in Calculating Machines.
GB178084A
(https= )
GB138077A
(https= )
GB191116725A
(en )
1912-07-18
Improvements in or relating to Cash Register Machines.
GB241177A
(en )
1926-02-25
Improvements in or relating to calculating machines
GB191014401A
(en )
1911-06-08
Improvements in Autographic Attachments for Cash Registers and Operating Mechanism therefor.
GB190413282A
(en )
1904-08-18
Improvements in Cash Registers.
GB723574A
(https= )
GB136629A
(en )
1919-12-17
Improvements in or relating to Calculators.
GB178417A
(https= )
GB191421089A
(en )
1915-09-30
Improvements in or relating to Calculating Machines.
GB808692A
(https= )