Card with integrated overprinting

Cards and methods of securing hidden symbols on cards are disclosed. The cards, such as instant-win lottery tickets, utilize continuous overprint inks that mask the boundaries between their "secure" and "unsecure" portions to inhibit unscrupulous players from successfully tamperi...

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Bibliographic Details
Main Authors WILLIAM F. EPSTEP JR, JON M BRAWNER, BENNY R RICH, JAMES J CARIDES
Format Patent
LanguageEnglish
Published 08.10.1996
Edition6
Subjects
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