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Sonia Geillis Wong-Cheung
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Burnaby, CA
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Patents Grants
last 30 patents
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Patent Grant
Fluid diffusion layers for fuel cells
Patent number
6,667,127
Issue date
Dec 23, 2003
Ballard Power Systems Inc.
Paul D. Beattie
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
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Patent Application
Method of making electrodes for electrochemical fuel cells
Publication number
20060040045
Publication date
Feb 23, 2006
Siegfried Limmer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Patent Application
Fluid diffusion layers for fuel cells
Publication number
20040058229
Publication date
Mar 25, 2004
Paul D. Beattie
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Patent Application
Fluid diffusion layers for fuel cells
Publication number
20030008195
Publication date
Jan 9, 2003
Bien Hung Chiem
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
Fluid diffusion layers for fuel cells
Publication number
20020058180
Publication date
May 16, 2002
Paul D. Beattie
H01 - BASIC ELECTRIC ELEMENTS