GB404927A
(enExample )
GB418536A
(enExample )
GB680288A
(enExample )
GB395688A
(enExample )
GB344040A
(enExample )
GB453505A
(en )
1936-09-14
Improvements in or relating to totalizer control mechanism for calculating machines, accounting machines or similar machines
GB416498A
(enExample )
GB442443A
(en )
1936-02-07
Improvements in or relating to calculating machines, accounting machines and similarmachines
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
GB427722A
(enExample )
GB732760A
(enExample )
GB190800655A
(en )
1909-01-07
Improvements in and connected with Adding Machines.
GB752591A
(en )
1956-07-11
Improvements in or relating to calculating 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.
GB423169A
(en )
1935-01-24
Improvements in or relating to calculating and the like machines
GB608988A
(enExample )
GB228184A
(enExample )
GB511438A
(enExample )
GB792975A
(en )
1958-04-09
Cash registers and similar accounting machines
GB268839A
(enExample )
GB191200442A
(en )
1913-01-06
Improvements in or relating to Adding or like Machines.
GB819472A
(en )
1959-09-02
Improvements in or relating to cash registers and like adding machines
GB340256A
(enExample )