Document authentication using a mark that is separate from document information
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 17, 2002
Grant Date -
N/A
app pub date -
Oct 14, 1998
filing date -
Oct 14, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital mark is derived or created for placement on a document to identify, authenticate, or verify the document's origins. Private information is received and digitized. The digitized private information is scrambled in response to the document's contents. The scrambled private information is formed into a mark. The mark is placed on or in the document, apart from the document's information.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully