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Keith B. Prater
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North Vancouver, CA
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last 30 patents
Information
Patent Grant
Manufacture of electrodes
Patent number
5,871,860
Issue date
Feb 16, 1999
Johnson Matthey Public Limited Company
Jonathan C. Frost
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrode
Patent number
5,795,669
Issue date
Aug 18, 1998
Johnson Matthey Public Limited Company
David Wilkinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacture of electrodes
Patent number
5,702,839
Issue date
Dec 30, 1997
Johnson Matthey Public Limited Company
Jonathan C. Frost
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Solid polymer fuel cell systems incorporating water removal at the...
Patent number
5,366,818
Issue date
Nov 22, 1994
Ballard Power Systems Inc.
David P. Wilkinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lightweight fuel cell membrane electrode assembly with integral rea...
Patent number
5,252,410
Issue date
Oct 12, 1993
Ballard Power Systems Inc.
David P. Wilkinson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Porous lithium electrodes and their use in nonaqueous electrochemic...
Patent number
4,780,380
Issue date
Oct 25, 1988
Standard Oil Company (Indiana)
Keith B. Prater
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-aqueous electrochemical cell and electrolyte
Patent number
4,520,083
Issue date
May 28, 1985
Standard Oil Company (Indiana)
Keith B. Prater
H01 - BASIC ELECTRIC ELEMENTS