GB274850A
(enExample )
GB190401286A
(en )
1904-05-12
Improvements in Computing and Recording Machines.
US1296073A
(en )
1919-03-04
Algebraic-total calculating-machine.
GB190926481A
(en )
1910-07-28
Improvements in and relating to Time Stamps.
GB191129373A
(en )
1912-11-28
Improvements in or relating to Adding and Listing or like Machines.
GB1122887A
(en )
1968-08-07
A data entry machine
GB305579A
(enExample )
GB191511254A
(en )
1916-08-04
Improvements in Combined Typewriting and Computing Machines.
GB191116762A
(en )
1912-03-21
Improvements in Indicating Locks.
GB344393A
(enExample )
GB191214777A
(en )
1912-11-07
Improvements in or relating to Adding or like Machines.
GB753006A
(enExample )
GB268377A
(enExample )
GB190518341A
(en )
1906-07-05
Combined Typewriting and Adding Machine.
GB712751A
(enExample )
GB191203390A
(en )
1913-02-06
Combined Typewriter and Computing Machine.
GB191511561A
(en )
1916-02-17
Improvements in Defferential and Operating Mechanisms for Cash Registers and the like.
GB431623A
(enExample )
GB172917A
(enExample )
GB464133A
(enExample )
GB189724114A
(en )
1898-09-17
Improvements in or relating to Type Setting Machines.
GB191125068A
(enExample )
1912-11-11
GB190919550A
(en )
1910-08-25
Improvements in Calculating Machines, especially Designed for use in connection with Typewriting Machines.
GB334727A
(enExample )
GB191409113A
(en )
1915-07-08
Improvements in Typewriters.