GB794112A
(enrdf_load_stackoverflow )
GB1411349A
(en )
1975-10-22
Driving mechanism for example a printer
US833389A
(en )
1906-10-16
Adding-machine.
GB431961A
(enrdf_load_stackoverflow )
GB191511254A
(en )
1916-08-04
Improvements in Combined Typewriting and Computing Machines.
GB530120A
(enrdf_load_stackoverflow )
GB608694A
(enrdf_load_stackoverflow )
GB464746A
(enrdf_load_stackoverflow )
GB551311A
(enrdf_load_stackoverflow )
GB631379A
(enrdf_load_stackoverflow )
GB453280A
(enrdf_load_stackoverflow )
GB389632A
(enrdf_load_stackoverflow )
GB604165A
(enrdf_load_stackoverflow )
GB191027151A
(en )
1911-09-28
Improvements in Calculating Machines.
GB144367A
(enrdf_load_stackoverflow )
GB237602A
(enrdf_load_stackoverflow )
GB727100A
(enrdf_load_stackoverflow )
GB497640A
(enrdf_load_stackoverflow )
GB783869A
(enrdf_load_stackoverflow )
GB517469A
(enrdf_load_stackoverflow )
GB749504A
(enrdf_load_stackoverflow )
GB673462A
(enrdf_load_stackoverflow )
GB190120133A
(en )
1902-10-08
Improvements in Adding Machines.
GB272723A
(enrdf_load_stackoverflow )
GB189719013A
(en )
1898-07-23
Improvements in or relating to Cash Registers or Indicators and Check Tills.