4. Land vehicles
  5. Wheeled
  6. Extensible

David Earl Leger

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Folding wheelbarrow

Land vehicles – Wheeled – Extensible
Patent

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Folding wheelbarrow

Land vehicles – Wheeled – Extensible
Patent

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Fuel cell cathode flow field

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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Fuel cell powered electrical motor

Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate

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Fuel cell stack

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1122913

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