IP Library › Granted Patent US 6,646,894
Granted Patent Utility
US 6,646,894 · Confirmation No. 9958

SWITCHING MODE POWER SUPPLY

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2006-10-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-08-28 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-28 LET. Miscellaneous Incoming Letter 2 View
2003-03-27 C.AD Change of Address 1 View
2002-11-15 TRNA Transmittal of New Application 1 View
2002-11-15 SPEC Specification 11 View
2002-11-15 CLM Claims 6 View
2002-11-15 ABST Abstract 1 View
2002-11-15 DRW Drawings-only black and white line drawings 4 View
2002-11-15 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,646,894
App. No.
10/295,172
Filed
2002-11-15
Granted
2003-11-11
Pub. No.
US20030117813A1
Examiner
VU, BAO Q
Art Unit
2838
PTA
-76 days