GB709188A
(https= )
GB933003A
(en )
1963-07-31
Setting mechanism for computing machines
GB504884A
(https= )
1900-01-01
GB730466A
(https= )
GB191109167A
(en )
1911-08-09
Improvements in or relating to the Key Board or Setting Mechanism of Cash Registers and the like.
US1966657A
(en )
1934-07-17
von pein
GB442856A
(https= )
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB395558A
(en )
1933-07-20
Improvements in or relating to calculating and the like machines
GB370633A
(https= )
GB453280A
(https= )
GB648444A
(en )
1951-01-03
Improvements in or relating to means for controlling the printing mechanism of calculating or statistical machines
GB491465A
(https= )
GB783849A
(https= )
GB431961A
(https= )
GB219923A
(https= )
GB778643A
(https= )
GB508141A
(https= )
GB907591A
(https= )
GB478432A
(https= )
GB631443A
(en )
1949-11-02
Improvements in or relating to accounting machines and similar calculating machines
GB607744A
(https= )
GB694698A
(en )
1953-07-22
Improvements in or relating to a ten-key mechanism for an adding machine
GB516693A
(https= )
GB384759A
(https= )