GB401825A
(enrdf_load_stackoverflow )
GB660632A
(en )
1951-11-07
Cash registers and similar accounting machines
GB909935A
(en )
1962-11-07
Calculating or similar accounting machine
US2902124A
(en )
1959-09-01
Operating mechanism for power driven business machines
GB551311A
(enrdf_load_stackoverflow )
GB293080A
(enrdf_load_stackoverflow )
GB727100A
(enrdf_load_stackoverflow )
GB353433A
(enrdf_load_stackoverflow )
GB453348A
(enrdf_load_stackoverflow )
GB290246A
(enrdf_load_stackoverflow )
GB739747A
(enrdf_load_stackoverflow )
GB609077A
(enrdf_load_stackoverflow )
GB750400A
(enrdf_load_stackoverflow )
GB713695A
(enrdf_load_stackoverflow )
1900-01-01
GB416870A
(enrdf_load_stackoverflow )
GB648922A
(enrdf_load_stackoverflow )
GB712751A
(enrdf_load_stackoverflow )
GB159610A
(enrdf_load_stackoverflow )
GB191227768A
(en )
1913-11-27
Improvements in and relating to Keyboard and Interlocking Mechanism for Cash Registers and the like.
GB191416001A
(en )
1914-08-17
Improvements in Calculating Machines.
GB475185A
(enrdf_load_stackoverflow )
GB408975A
(enrdf_load_stackoverflow )
GB629421A
(enrdf_load_stackoverflow )
GB709961A
(enrdf_load_stackoverflow )
GB292619A
(enrdf_load_stackoverflow )