IP Library › Granted Patent US 6,690,844
Granted Patent Utility
US 6,690,844 · Confirmation No. 3446

OPTICAL FILTER APPARATUS AND ASSOCIATED METHOD

Inventor: Shrenik Deliwala
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2021-02-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-02-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-01-13 PA.. Power of Attorney 1 View
2021-01-13 PA.. Power of Attorney 2 View
2021-01-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-03-19 IMIS Miscellaneous Internal Document 1 View
2003-07-04 LET. Miscellaneous Incoming Letter 2 View
2003-07-04 PA.. Power of Attorney 1 View
2001-05-17 TRNA Transmittal of New Application 11 View
2001-05-17 SPEC Specification 98 View
2001-05-17 CLM Claims 10 View
2001-05-17 ABST Abstract 1 View
2001-05-17 DRW Drawings-only black and white line drawings 29 View
2001-05-17 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,690,844
App. No.
09/859,338
Filed
2001-05-17
Granted
2004-02-10
Pub. No.
US20030026546A1
Examiner
WONG, ERIC K
Art Unit
2874
PTA
0 days