Computing new certificate for digitized version of a physical document

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United States of America Patent

PATENT NO 9854125
SERIAL NO

13361064

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Abstract

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In one implementation, a physical version of a document is converted to a digital representation of the physical version and a new certificate is computed for the digital representation of the physical version. The new certificate is computed based on the digital representation of the physical version, at least one processing step performed on the digital representation, and a prior certificate computed for a prior digital representation indicative of the physical version. In another implementation, a document is validated.

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Patent Owner(s)

Patent OwnerAddress
ENT SERVICES DEVELOPMENT CORPORATION LP11445 COMPAQ CENTER DRIVE WEST HOUSTON TX 77070

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haber, Stuart New York, US 16 540
Rao, Prasad V Metuchen, US 23 504

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