Digital watermarks and postage

United States of America Patent

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Oct 12, 2004
Grant Date
Jun 20, 2002
app pub date
Aug 24, 2001
filing date
Mar 17, 1994

priority date (Note)
Expired

status (Latency Note)

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Abstract

Postal stamps are steganographically encoded with plural bit data. This data can represent information such as value, or zip code. Or it can serve as a pointer to a remote data repository, where additional information is stored.

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First Claim

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Patent Owner(s)

Patent Owner	Address
DIGIMARC CORPORATION (AN OREGON CORPORATION)	9405 SW GEMINI DRIVE BEAVERTON OR 97008

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Rhoads, Geoffrey B	West Linn, OR	697	78610

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United States of America Patent

09939298

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Importance

Abstract

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PATENT NO	6804379
APP PUB NO	20020076081A1
SERIAL NO	09939298
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 12, 2004	US,6804379,B2 US6804379B2	GRANTED PATENT AS SECOND PUBLICATION
June 20, 2002	US,20020076081,A1 US20020076081A1	FIRST PUBLISHED PATENT APPLICATION

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09939298

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Family

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Full Text

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