US1927556A
(en )
1933-09-19
Automatic auditing and merchandise control system
US3501744A
(en )
1970-03-17
Postage metering system having signal conditioning means
US3254749A
(en )
1966-06-07
Automatic self-service mechanisms for dispensing merchandise, for example, fuel and/or oil and grease for motor vehicles
US1005555A
(en )
1911-10-10
Cash-register.
GB417063A
(en )
1934-09-27
Improvements in or relating to calculating machines
US2179698A
(en )
1939-11-14
Totalizing system
US3329805A
(en )
1967-07-04
Decimal counting device and stepping unit therefor
GB492748A
(en )
1938-09-22
Improvements in calculating machines
US2332756A
(en )
1943-10-26
Totalizer system
US3416075A
(en )
1968-12-10
Fixed quantity apparatus for metering the consumption by a consumer of electricity or the like supplied over a common supply network and for processing the data representing such consumption
US2032972A
(en )
1936-03-03
Totalizator
US2335755A
(en )
1943-11-30
Automatic telemetering system
US3125289A
(en )
1964-03-17
o-o o-o o-o
GB288300A
(en )
1929-07-03
Improvements in or relating to electric signalling systems
US3345501A
(en )
1967-10-03
Electrical aggregating apparatus for use
in totalisators and like systems
GB414411A
(en )
1934-08-03
Improvements in or relating to adding and subtracting machines
US2534602A
(en )
1950-12-19
Totalizator registering means for
GB329631A
(cg-RX-API-DMAC10.html )
US996786A
(en )
1911-07-04
Electrical cash-register with distant indication.
US2084414A
(en )
1937-06-22
Electric totalizator
US2733862A
(en )
1956-02-07
Ooooo cccccctc
GB643551A
(cg-RX-API-DMAC10.html )
US2142655A
(en )
1939-01-03
Test equipment
GB368369A
(en )
1932-03-01
Improvements in or relating to electrical signalling systems
US1045686A
(en )
1912-11-26
Indicator.