GB169794A
(enrdf_load_stackoverflow )
US2280919A
(en )
1942-04-28
landsiedel
US1833467A
(en )
1931-11-24
Calgujlatihg mageiitb
US1892614A
(en )
1932-12-27
renders
GB644383A
(enrdf_load_stackoverflow )
GB172917A
(enrdf_load_stackoverflow )
GB642090A
(en )
1950-08-30
Keyboard impulse transmitter for step-by-step printing telegraph
GB293080A
(enrdf_load_stackoverflow )
GB396679A
(en )
1933-08-10
Improvements in cash registers or the like
GB191328399A
(en )
1914-12-09
Calculating Machine.
GB154603A
(enrdf_load_stackoverflow )
GB191205651A
(en )
1912-07-19
Improvements in and relating to Calculating Machines.
GB483113A
(enrdf_load_stackoverflow )
GB241213A
(enrdf_load_stackoverflow )
GB265208A
(en )
1927-06-30
Improvements in or relating to cash registers of the key-set and key-operated type
GB305579A
(enrdf_load_stackoverflow )
GB144367A
(enrdf_load_stackoverflow )
GB273691A
(enrdf_load_stackoverflow )
GB982721A
(en )
1965-02-10
Adding machine
GB628636A
(enrdf_load_stackoverflow )
GB506013A
(enrdf_load_stackoverflow )
GB297717A
(enrdf_load_stackoverflow )
GB191311823A
(en )
1914-03-05
Improvements in and relating to Adding and Listing Machines.
GB727100A
(enrdf_load_stackoverflow )
GB368779A
(en )
1932-03-07
Improvements relating to cash registers