IP Library Granted Patent US 6,686,077
Granted Patent Utility
US 6,686,077 · Confirmation No. 9966

LIQUID HETERO-INTERFACE FUEL CELL DEVICE

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2016-08-05 OATH Oath or Declaration filed 70 View
2016-08-05 OATH Oath or Declaration filed 40 View
2003-11-24 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-11-24 C.AD Change of Address 1 View
2001-11-21 TRNA Transmittal of New Application 2 View
2001-11-21 SPEC Specification 21 View
2001-11-21 CLM Claims 5 View
2001-11-21 ABST Abstract 1 View
2001-11-21 DRW Drawings-only black and white line drawings 7 View
2001-11-21 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,686,077
App. No.
09/989,540
Filed
2001-11-21
Granted
2004-02-03
Pub. No.
US20030096150A1
Art Unit
1745
PTA
0 days