GB550978A
(en )
1943-02-03
Improvements in or relating to calculating or similar accounting machines
GB652232A
(enrdf_load_stackoverflow )
GB672771A
(enrdf_load_stackoverflow )
GB166486A
(enrdf_load_stackoverflow )
GB933003A
(en )
1963-07-31
Setting mechanism for computing machines
US1773026A
(en )
1930-08-12
For calculators
GB479234A
(enrdf_load_stackoverflow )
1900-01-01
GB191316036A
(en )
1914-09-11
Improvements in and relating to Calculating Machines.
GB803969A
(enrdf_load_stackoverflow )
GB709181A
(enrdf_load_stackoverflow )
GB191030391A
(en )
1911-12-14
Improvements in Calculating Machines.
US1773025A
(en )
1930-08-12
chase
GB686524A
(enrdf_load_stackoverflow )
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB875275A
(enrdf_load_stackoverflow )
1900-01-01
GB753841A
(enrdf_load_stackoverflow )
GB368311A
(enrdf_load_stackoverflow )
GB424420A
(enrdf_load_stackoverflow )
1900-01-01
GB601375A
(enrdf_load_stackoverflow )
GB146792A
(enrdf_load_stackoverflow )
GB487494A
(enrdf_load_stackoverflow )
GB298114A
(enrdf_load_stackoverflow )
GB191017472A
(en )
1911-02-07
Improvements in or relating to Cash Registers.
GB462320A
(enrdf_load_stackoverflow )
GB1055365A
(enrdf_load_stackoverflow )