GB344040A
(https= )
GB819472A
(en )
1959-09-02
Improvements in or relating to cash registers and like adding machines
GB227861A
(https= )
US2317086A
(en )
1943-04-20
Calculating machine
GB608988A
(https= )
GB813083A
(en )
1959-05-06
Calculating machines or similar accounting machines
GB268839A
(https= )
US2251099A
(en )
1941-07-29
Symbol printing mechanism for accounting machines
GB191403084A
(en )
1915-02-04
Improvements in Adding Machines.
GB404927A
(https= )
GB340256A
(https= )
GB648389A
(https= )
GB682295A
(https= )
GB215746A
(en )
1925-08-04
Improvements in cash registers and like machines
GB355350A
(https= )
GB415435A
(https= )
GB292619A
(https= )
GB442771A
(en )
1936-02-12
Improvements in or relating to cash registers and similar accounting machines
GB427722A
(https= )
GB348074A
(https= )
GB416498A
(https= )
GB459812A
(https= )
GB448791A
(en )
1936-06-15
Improvements in or relating to accounting machines, calculating machines and the like
GB190827249A
(en )
1909-06-03
Improvements in Typewriting Machines.
GB191314611A
(en )
1913-11-27
Improvements in and relating to Recording Apparatus for Cash Registers.