IP Library Granted Patent US 6,654,178
Granted Patent Utility
US 6,654,178 · Confirmation No. 5561

IMMERSED NON-POLARIZING BEAMSPLITTERS

Inventor: Hak Chu Lee
Patented Case View Patent ↗
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Code Description Pages PDF
2014-11-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-11-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-11-04 PA.. Power of Attorney 2 View
2014-11-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2014-11-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-09-17 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2002-08-14 TRNA Transmittal of New Application 2 View
2002-08-14 SPEC Specification 15 View
2002-08-14 CLM Claims 3 View
2002-08-14 ABST Abstract 1 View
2002-08-14 DRW Drawings-only black and white line drawings 5 View
2002-08-14 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,654,178
App. No.
10/219,641
Filed
2002-08-14
Granted
2003-11-25
Art Unit
2873
PTA
0 days