US3428948A
(en )
1969-02-18
Postage metering system
GB378531A
(en )
1932-08-15
Improvements in or relating to statistical recording devices
GB516409A
(en )
1940-01-01
Improvements in or relating to automatic or semi-automatic telephone systems
GB350958A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
US1191023A
(en )
1916-07-11
Apparatus for displaying advertisements, signaling, and the like.
US2629863A
(en )
1953-02-24
Cash registeimndicating system
US2005807A
(en )
1935-06-25
Stock quotation posting and margin calculating machine
US2564410A
(en )
1951-08-14
Coded plate selector for inventory system
US2852767A
(en )
1958-09-16
Information dissemination system
GB353890A
(en )
1931-07-22
Improvements in and relating to displaying and coin-freed vending apparatus
US2930529A
(en )
1960-03-29
Laboissiere
US1911949A
(en )
1933-05-30
Signaling system
US2332756A
(en )
1943-10-26
Totalizer system
US1744771A
(en )
1930-01-28
julius
US2642685A
(en )
1953-06-23
Monogrammic indicator
US1033478A
(en )
1912-07-23
Cash-register.
US2121184A
(en )
1938-06-21
Telemetric broadcasting and recording apparatus
US2897617A
(en )
1959-08-04
Multiple sign arrangement for use with taximeters or the like
GB483021A
(en )
1938-04-11
Improvements in or relating to counters for tabulating and other calculating machines
US2043511A
(en )
1936-06-09
Indicator
US1420879A
(en )
1922-06-27
Voting apparatus
DE941080C
(de )
1956-04-05
Einrichtung zur Anzeige einer missbraeuchlichen Betaetigung von Tarifumschalteinrichtungen oder Steuerschaltern fuer verbilligten Strom durch aeussere Eingriffe
GB288300A
(en )
1929-07-03
Improvements in or relating to electric signalling systems
US2129743A
(en )
1938-09-13
Automatic auditing and tabulating system
US2494419A
(en )
1950-01-10
Totalizator