GB373220A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
GB373131A
(enrdf_load_stackoverflow )
US601371A
(en )
1898-03-29
czeiler
GB191511254A
(en )
1916-08-04
Improvements in Combined Typewriting and Computing Machines.
US1927856A
(en )
1933-09-26
Calculating machine
GB346842A
(enrdf_load_stackoverflow )
GB1122887A
(en )
1968-08-07
A data entry machine
GB191421089A
(en )
1915-09-30
Improvements in or relating to Calculating Machines.
GB509444A
(enrdf_load_stackoverflow )
GB197983A
(enrdf_load_stackoverflow )
GB190820028A
(en )
1909-09-23
Improvements in or relating to Adding Machines.
GB420807A
(enrdf_load_stackoverflow )
1900-01-01
GB191027151A
(en )
1911-09-28
Improvements in Calculating Machines.
GB190327803A
(en )
1904-09-22
Improvements in Cash Registers.
GB381158A
(enrdf_load_stackoverflow )
GB545785A
(enrdf_load_stackoverflow )
GB190515755A
(en )
1906-08-01
Improvements relating to Cash Registers.
GB408633A
(enrdf_load_stackoverflow )
GB190906428A
(en )
1910-03-17
Improvements in Cash Registers or Accounting Machines.
GB320104A
(enrdf_load_stackoverflow )
GB401904A
(enrdf_load_stackoverflow )
GB417991A
(enrdf_load_stackoverflow )
1900-01-01
GB200062A
(enrdf_load_stackoverflow )
GB337478A
(enrdf_load_stackoverflow )