GB947448A
(enExample )
GB1237769A
(en )
1971-06-30
Improvements in and relating to printing plate processing arrangements
US2678160A
(en )
1954-05-11
Key-responsive recording
US2264582A
(en )
1941-12-02
Accounting machine
GB570356A
(en )
1945-07-03
Improvements in or relating to machines for making records on statistical cards
US1682196A
(en )
1928-08-28
Cash register
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB758567A
(en )
1956-10-03
Alphabetic interpreter
US2105673A
(en )
1938-01-18
Cash register
US2832540A
(en )
1958-04-29
dustin etal
US864511A
(en )
1907-08-27
Cash-register.
GB420431A
(enExample )
GB1356964A
(en )
1974-06-19
Calculating machine keyboards
GB191018790A
(en )
1911-08-03
Improvements in Cash Registers, Accounting Machines and the like.
GB416498A
(enExample )
GB443786A
(enExample )
GB478432A
(enExample )
GB741039A
(en )
1955-11-23
Calculating machine
GB628064A
(enExample )
GB813083A
(en )
1959-05-06
Calculating machines or similar accounting machines
GB188176A
(enExample )
GB223301A
(enExample )
GB225491A
(en )
1924-12-01
Improvements in and relating to control mechanism for perforated record controlled machines for compiling statistics
GB191109167A
(en )
1911-08-09
Improvements in or relating to the Key Board or Setting Mechanism of Cash Registers and the like.
GB768516A
(enExample )