IP Library › Granted Patent US 6,650,169
Granted Patent Utility
US 6,650,169 · Confirmation No. 6778

GATE DRIVER APPARATUS HAVING AN ENERGY RECOVERING CIRCUIT

Inventors: Faye Li, Qian Jinrong
Patented Case View Patent ↗ View Publication ↗
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2015-02-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-02-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2015-02-24 OATH Oath or Declaration filed 26 View
2015-02-23 PA.. Power of Attorney 1 View
2015-02-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2015-02-23 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2015-01-27 OATH Oath or Declaration filed 26 View
2014-12-10 OATH Oath or Declaration filed 25 View
2003-09-17 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-11 IDS Information Disclosure Statement (IDS) Form (SB08) 4 View
2003-09-11 FOR Foreign Reference 13 View
2001-10-01 TRNA Transmittal of New Application 1 View
2001-10-01 SPEC Specification 5 View
2001-10-01 CLM Claims 4 View
2001-10-01 ABST Abstract 1 View
2001-10-01 DRW Drawings-only black and white line drawings 3 View
2001-10-01 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,650,169
App. No.
09/968,093
Filed
2001-10-01
Granted
2003-11-18
Pub. No.
US20030062930A1
Art Unit
2816
PTA
-131 days