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Chenghui Luo
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East Greenwich, RI, US
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last 30 patents
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Patent Grant
Authentication of lottery tickets, game machine credit vouchers, an...
Patent number
8,135,648
Issue date
Mar 13, 2012
GTECH Corporation
Thomas K. Oram
G07 - CHECKING-DEVICES
Patents Applications
last 30 patents
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Patent Application
PROVIDING CENTRALIZED SERVICES TO GAME OPERATORS
Publication number
20090143128
Publication date
Jun 4, 2009
GTECH Corporation
Paul Charles R. Cautley
G07 - CHECKING-DEVICES
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Patent Application
AUTHENTICATION OF LOTTERY TICKETS, GAME MACHINE CREDIT VOUCHERS, AN...
Publication number
20090117997
Publication date
May 7, 2009
Thomas K. Oram
G06 - COMPUTING CALCULATING COUNTING