GB207070A
(enrdf_load_stackoverflow )
GB1082776A
(en )
1967-09-13
Keyboard mechanism for generating code combinations
GB672771A
(enrdf_load_stackoverflow )
GB292619A
(enrdf_load_stackoverflow )
GB191115177A
(enrdf_load_stackoverflow )
GB675363A
(enrdf_load_stackoverflow )
GB190922862A
(en )
1909-12-10
Improvements in Apparatus for Adding or Calculating.
GB338990A
(enrdf_load_stackoverflow )
GB445540A
(enrdf_load_stackoverflow )
GB191219273A
(en )
1913-03-13
Improvements in the Keyboards and Connecting Members of Calculating Machines.
GB394999A
(enrdf_load_stackoverflow )
US1601398A
(en )
1926-09-28
- cincinnati
GB731620A
(en )
1955-06-08
Calculating machine
GB191421089A
(en )
1915-09-30
Improvements in or relating to Calculating Machines.
GB259267A
(enrdf_load_stackoverflow )
GB194315A
(enrdf_load_stackoverflow )
GB373131A
(enrdf_load_stackoverflow )
GB191126171A
(en )
1912-11-21
Improvements in and relating to Cash Registers.
GB191416591A
(en )
1915-06-24
Improvements in Relay Actions for Typewriters and like Machines.
GB600485A
(enrdf_load_stackoverflow )
GB157845A
(enrdf_load_stackoverflow )
GB190906999A
(en )
1910-03-23
Improvements in or relating to Adding Machines.
GB191119694A
(en )
1912-09-04
Adding and Computing Machine.
GB190724835A
(en )
1908-10-29
Improvements in Cash Registering or Adding Machines and Cash Check Tills.
GB190826763A
(en )
1909-12-09
Improvements in Apparatus for Adding or Calculating.