IP Library › Granted Patent US 6,538,789
Granted Patent Utility
US 6,538,789 · Confirmation No. 3828

OPTICAL LINEARIZER FOR FIBER COMMUNICATIONS

Inventor: Chen-Kuo Sun
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2020-10-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-10-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-10-07 SES.LOSS Notification of loss of entitlement to small entity status 1 View
2020-10-07 N417 Electronic Filing System Acknowledgment Receipt 2 View
2020-10-07 PA.. Power of Attorney 3 View
2020-10-07 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2008-12-03 C.AD Change of Address 1 View
2008-12-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-10-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-31 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-10-08 N417 Electronic Filing System Acknowledgment Receipt 2 View
2008-10-08 PA.. Power of Attorney 1 View
2001-04-03 TRNA Transmittal of New Application 3 View
2001-04-03 SPEC Specification 15 View
2001-04-03 CLM Claims 5 View
2001-04-03 ABST Abstract 1 View
2001-04-03 DRW Drawings-only black and white line drawings 3 View
2001-04-03 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,538,789
App. No.
09/825,631
Filed
2001-04-03
Granted
2003-03-25
Pub. No.
US20020171894A1
Art Unit
2633
PTA
-5 days