GB828127A
(https= )
US3314601A
(en )
1967-04-18
Calculating machine
GB660632A
(en )
1951-11-07
Cash registers and similar accounting machines
GB337607A
(https= )
US2954158A
(en )
1960-09-27
Differential devices for cash registers
US2330450A
(en )
1943-09-28
Transfer mechanism
US2115118A
(en )
1938-04-26
Cash register
GB650357A
(en )
1951-02-21
Differential setting mechanism for cash registers or similar accounting machines
US2414027A
(en )
1947-01-07
Partial
US1911796A
(en )
1933-05-30
brown
US3652010A
(en )
1972-03-28
Totalizer control mechanism
US2965290A
(en )
1960-12-20
Shutter mechanism for counters
US2949229A
(en )
1960-08-16
gubelmann
US3682379A
(en )
1972-08-08
Tens transfer mechanism
GB242308A
(https= )
GB368117A
(https= )
GB381769A
(https= )
US3050245A
(en )
1962-08-21
Totalizer engaging controls
GB970251A
(https= )
GB386331A
(https= )
GB612392A
(en )
1948-11-11
Improvements in or relating to accounting machines and similar calculating machines
GB819544A
(en )
1959-09-02
Improvements in cash registers and similar accounting machines
GB818166A
(en )
1959-08-12
Cash registers or similar accounting machines
GB180993A
(https= )
GB193406A
(https= )