IP Library › Granted Patent US 6,738,187
Granted Patent Utility
US 6,738,187 · Confirmation No. 4174

SEMICONDUCTOR OPTICAL AMPLIFIERS USING WAVELENGTH LOCKED LOOP TUNING AND EQUALIZATION

Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2022-04-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2022-01-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-01-21 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-01-19 PA.. Power of Attorney 3 View
2022-01-19 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2022-01-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-04-06 LET. Miscellaneous Incoming Letter 1 View
2004-04-06 DRW Drawings-only black and white line drawings 8 View
2004-04-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-06 C.AD Change of Address 1 View
2001-06-27 TRNA Transmittal of New Application 4 View
2001-06-27 SPEC Specification 23 View
2001-06-27 CLM Claims 12 View
2001-06-27 ABST Abstract 1 View
2001-06-27 DRW Drawings-only black and white line drawings 8 View
2001-06-27 OATH Oath or Declaration filed 2 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,738,187
App. No.
09/893,043
Filed
2001-06-27
Granted
2004-05-18
Pub. No.
US20030002141A1
Art Unit
3663
PTA
-43 days