IP Library › Granted Patent US 6,829,438
Granted Patent Utility
US 6,829,438 · Confirmation No. 2804

ADD/DROP MULTIPLEXING IN WDM OPTICAL NETWORKS

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 Code Description Pages PDF
2013-01-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-01-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2012-12-26 PA.. Power of Attorney 1 View
2012-12-26 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2012-12-26 N417 Electronic Filing System Acknowledgment Receipt 2 View
2012-12-11 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-07-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-07-06 TRNA Transmittal of New Application 1 View
2001-07-06 SPEC Specification 17 View
2001-07-06 CLM Claims 6 View
2001-07-06 ABST Abstract 1 View
2001-07-06 DRW Drawings-only black and white line drawings 5 View
2001-07-06 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,829,438
App. No.
09/899,151
Filed
2001-07-06
Granted
2004-12-07
Pub. No.
US20030007209A1
Examiner
PHAN, HANH
Art Unit
2633
PTA
0 days