4. Chemistry: electrical current producing apparatus, product, and
  5. Fuel cell, subcombination thereof, or method of making or...
  6. Grouping of fuel cells into stack or module

Kyoung Hwan Choi

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Air breathing direct methanol fuel cell pack

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

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Air breathing direct methanol fuel cell pack

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

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Bipolar plate and direct liquid feed fuel cell stack

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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Direct liquid feed fuel cell

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Grouping of fuel cells into stack or module
Reexamination Certificate

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Fuel cell for microcapsule-type robot and microcapsule-type...

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Grouping of fuel cells into stack or module
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2198316

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