IP Library › Granted Patent US 6,672,750
Granted Patent Utility
US 6,672,750 · Confirmation No. 7147

MULTIPLE PATTERN ILLUMINATION SYSTEM

Inventor: Cheung Chong Kao
Patented Case View Patent ↗
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 Code Description Pages PDF
2008-06-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-06-11 PA.. Power of Attorney 1 View
2008-06-11 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2008-06-11 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-11-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-13 TRNA Transmittal of New Application 3 View
2002-02-13 SPEC Specification 7 View
2002-02-13 CLM Claims 6 View
2002-02-13 ABST Abstract 1 View
2002-02-13 DRW Drawings-only black and white line drawings 7 View
2002-02-13 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,672,750
App. No.
10/075,003
Filed
2002-02-13
Granted
2004-01-06
Art Unit
2875
PTA
0 days