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

Estela T. Ong

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Direct carbon fuel cell with pre-wetted carbon particles

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Fuel cell with molten electrolyte
Reexamination Certificate

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Fuel cell cathodes

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Fuel cell cathodes

Chemistry: electrical current producing apparatus – product – and – Having earth feature
Patent

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Fuel cell having solidified plasma components

Chemistry: electrical current producing apparatus – product – and – Having earth feature
Patent

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Fuel cells

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

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Profile ID: LFUS-PAI-P-288115

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