US1927556A
(en )
1933-09-19
Automatic auditing and merchandise control system
US1005555A
(en )
1911-10-10
Cash-register.
US2605967A
(en )
1952-08-05
Ticket printing and totaling apparatus
GB417063A
(en )
1934-09-27
Improvements in or relating to calculating machines
US2563041A
(en )
1951-08-07
Totalizator system
GB558566A
(en )
1944-01-11
Improvements in or relating to record-card controlled accounting machines
US2332756A
(en )
1943-10-26
Totalizer system
US2071184A
(en )
1937-02-16
Indicating system
US2121164A
(en )
1938-06-21
Totalizing 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
US2668009A
(en )
1954-02-02
Ticket printing and accounting system
US3593303A
(en )
1971-07-13
Ticket issuing machines for totalisator systems
US2032972A
(en )
1936-03-03
Totalizator
US1933996A
(en )
1933-11-07
Attachment for meters
US2456226A
(en )
1948-12-14
Information posting board
US3329805A
(en )
1967-07-04
Decimal counting device and stepping unit therefor
GB288300A
(en )
1929-07-03
Improvements in or relating to electric signalling systems
GB337775A
(cg-RX-API-DMAC10.html )
US3037696A
(en )
1962-06-05
Toll highway recorder
US2345167A
(en )
1944-03-28
Telephone system and apparatus
US2084414A
(en )
1937-06-22
Electric totalizator
US3345501A
(en )
1967-10-03
Electrical aggregating apparatus for use
in totalisators and like systems
US2810620A
(en )
1957-10-22
L date time are
US1950475A
(en )
1934-03-13
Tabulating machine
US3047223A
(en )
1962-07-31
Automatic observer