IP Library › Granted Patent US 6,442,525
Granted Patent Utility
US 6,442,525 · App. 09/113,223

System for authenticating physical objects

Inventors: Kia Silverbrook, Simon Robert Walmsley, Paul Lapstun
Patented Case View Patent ↗
Granted: Aug 27, 2002 Filed: Jul 10, 1998
Inventors
Kia Silverbrook
Simon Robert Walmsley
Paul Lapstun

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Quick Facts
Patent No.
US 6,442,525
App. No.
09/113,223
Filed
1998-07-10
Granted
2002-08-27
Kind
B1