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Metal composite for fuel cell and fuel cell bipolar plate...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement
Reexamination Certificate

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Method of making bipolar plate with coolant channels

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement
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Method to make conductive hydrophilic fuel cell elements

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement
Reexamination Certificate

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Methods to control water flow and distribution in direct...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement
Reexamination Certificate

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Multi-layer fuel cell diffuser

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Means for distributing – storing – or preventing fluid movement
Reexamination Certificate

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