IP Library › Granted Patent US 6,683,331
Granted Patent Utility
US 6,683,331 · Confirmation No. 1287

TRENCH IGBT

Inventors: Richard Francis, Chiu Ng
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-12-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-04-25 TRNA Transmittal of New Application 1 View
2002-04-25 ADS Application Data Sheet 1 View
2002-04-25 SPEC Specification 8 View
2002-04-25 CLM Claims 6 View
2002-04-25 ABST Abstract 1 View
2002-04-25 DRW Drawings-only black and white line drawings 7 View
2002-04-25 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,683,331
App. No.
10/132,549
Filed
2002-04-25
Granted
2004-01-27
Pub. No.
US20030201454A1
Art Unit
2814
PTA
-14 days