GB528509A
(https= )
US2088434A
(en )
1937-07-27
Calculating machine
US2450165A
(en )
1948-09-28
Cash register
US2390396A
(en )
1945-12-04
Accounting machine
US2760722A
(en )
1956-08-28
Two-total credit balance adding
US2107445A
(en )
1938-02-08
Controlling mechanism for cash
GB511437A
(https= )
USRE25431E
(en )
1963-08-06
Becker
US2962209A
(en )
1960-11-29
Totalizer and special counter equipment for cash registers
US3076595A
(en )
1963-02-05
Becker
GB407380A
(https= )
1900-01-01
US2056821A
(en )
1936-10-06
Controlling mechanism for cash
GB474051A
(en )
1937-10-25
Improvements in or relating to cash registers and similar accounting machines
GB452414A
(https= )
GB778652A
(https= )
US2075635A
(en )
1937-03-30
Cash register
GB772898A
(https= )
GB537502A
(https= )
GB457793A
(https= )
US1906805A
(en )
1933-05-02
Sellschaft
GB648389A
(https= )
GB486201A
(https= )
GB765450A
(https= )
GB475185A
(https= )
GB322532A
(https= )