IP Library › Granted Patent US 6,667,797
Granted Patent Utility
US 6,667,797 · Confirmation No. 6160

PHASE RETARDATION ANTI-COUNTERFEIT METHOD

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 Code Description Pages PDF
2009-06-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-06-15 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-06-08 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-06-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-06-08 PA.. Power of Attorney 2 View
2003-10-22 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-08-23 TRNA Transmittal of New Application 1 View
2002-08-23 SPEC Specification 15 View
2002-08-23 CLM Claims 5 View
2002-08-23 ABST Abstract 1 View
2002-08-23 DRW Drawings-only black and white line drawings 8 View
2002-08-23 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,667,797
App. No.
10/226,144
Filed
2002-08-23
Granted
2003-12-23
Pub. No.
US20030179363A1
Art Unit
2877
PTA
0 days