IP Library Granted Patent US 6,730,424
Granted Patent Utility Small
US 6,730,424 · Confirmation No. 7998

ELECTROCHEMICAL METHOD TO IMPROVE THE PERFORMANCE OF H2/AIR PEM FUEL CELLS AND DIRECT METHANOL FUEL CELLS

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2008-07-09 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-03-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-14 TRNA Transmittal of New Application 5 View
2002-03-14 SPEC Specification 15 View
2002-03-14 CLM Claims 3 View
2002-03-14 ABST Abstract 1 View
2002-03-14 DRW Drawings-only black and white line drawings 3 View
2002-03-14 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,730,424
App. No.
10/097,216
Filed
2002-03-14
Granted
2004-05-04
Art Unit
1745
PTA
-1 days