4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

James Shang

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Flat panel direct methanol fuel cell and method for making...

Chemistry: electrical current producing apparatus – product – and – Having magnetic field feature
Reexamination Certificate

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Method for manufacturing bipolar plate and direct methanol...

Etching a substrate: processes – Forming or treating electrical conductor article – Adhesive or autogenous bonding of self-sustaining preforms
Reexamination Certificate

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Method of improving the contact between bipolar plates and...

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Method of improving the contact between bipolar plates and...

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Structure of integrated packed fuel cell

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
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Profile ID: LFUS-PAI-P-2422368

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