GB404927A
(https= )
GB418536A
(https= )
GB680288A
(https= )
GB395688A
(https= )
GB668841A
(en )
1952-03-26
Improvements in indicator devices for cash registers and like accounting machines
GB344040A
(https= )
GB416498A
(https= )
US2161850A
(en )
1939-06-13
Locking means for levers
GB484095A
(https= )
GB221812A
(https= )
GB445877A
(en )
1936-04-20
Improvements in or relating to calculating or the like machines
US1550945A
(en )
1925-08-25
Operating control for calculating machines
GB489693A
(https= )
GB732760A
(https= )
GB190800655A
(en )
1909-01-07
Improvements in and connected with Adding Machines.
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB191124565A
(en )
1912-11-04
Improvements in or relating to Adding Machines.
GB381239A
(en )
1932-10-06
Improvements in or relating to cash registers, accounting machines, calculating machines and similar machines
GB423169A
(en )
1935-01-24
Improvements in or relating to calculating and the like machines
GB608988A
(https= )
GB648389A
(https= )
GB268839A
(https= )
GB191200442A
(en )
1913-01-06
Improvements in or relating to Adding or like Machines.
GB407738A
(en )
1934-03-29
Improvements in or relating to calculating machines, accounting machines and similar machines
GB340256A
(https= )