4. Machines not elsewhere specified
  5. Material working, abrading, or founding machinery
  6. Abrading

Ching-Sen Yang

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Fuel cell module

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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Grindstone

Machines not elsewhere specified – Material working – abrading – or founding machinery – Abrading
Design Patent

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Wave-shaped flow board of fuel cells

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-3210719

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