GB523532A
(en )
1940-07-17
Improvements in totalizers for calculating machines
GB354752A
(enrdf_load_stackoverflow )
US1968669A
(en )
1934-07-31
H arnold
GB498395A
(en )
1939-01-06
Improvements in or relating to record-card-controlled printing mechanism
US1964552A
(en )
1934-06-26
Cash register
US2080519A
(en )
1937-05-18
Cash register
US2168511A
(en )
1939-08-08
Cash register
US2284803A
(en )
1942-06-02
Listing adding machine
US1642009A
(en )
1927-09-13
Sellschaft
US2730039A
(en )
1956-01-10
werner
US1934003A
(en )
1933-11-07
Check printing mechanism foe cash
US1688364A
(en )
1928-10-23
Automatic typewriter
US1791899A
(en )
1931-02-10
Xwtlhelm k khopff
US1960918A
(en )
1934-05-29
Duplicate ticket receipt register
US1309829A
(en )
1919-07-15
von pein
US1952983A
(en )
1934-03-27
Typewriting machine
GB193850A
(enrdf_load_stackoverflow )
GB682295A
(enrdf_load_stackoverflow )
US2203116A
(en )
1940-06-04
Cash register
GB317490A
(en )
1930-11-17
Improvements in or relating to record-controlled statistical machines
US1836560A
(en )
1931-12-15
Combined typewriting and computing machine
GB388775A
(enrdf_load_stackoverflow )
GB748825A
(en )
1956-05-09
Improvements in or relating to tabulator mechanism of a typewriter or like machine
GB191410785A
(en )
1915-04-15
Improvements in and relating to the Paper Feeding and Perforating Mechanism of Cash Registers or Accounting Machines.
GB555659A
(en )
1943-09-01
Improvements in or relating to calculating or like machines