Patent Application
Provisional
App. No. 60/373,213
· Confirmation No. 7838
Data encoding and workpiece authentication using halftoning
Provisional Application Expired
Inventors
Attorneys & Agents of Record
Prosecution
- Customer No.
- 24267
- Docket No.
- 103140-0017R2
- Confirmation No.
- 7838
PATENT SECURITY AGREEMENT
Recorded 2007-09-19
from
ESCHER GROUP, LTD.
COLATTERAL ASSIGNMENT AND SECURITY AGREEMENT
Recorded 2003-07-11
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Quick Facts
- App. No.
- 60/373,213
- Filed
- 2002-04-17
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