4. Alloys or metallic compositions
  5. Ferrous
  6. Nine percent or more chromium containing

Donald Jaffrey

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Electrical conductivity in a fuel cell assembly

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

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Electrically conductive ceramics

Compositions: ceramic – Ceramic compositions – Aluminum compound containing
Reexamination Certificate

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Fuel cell gas separator

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

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Heat resistant steel

Alloys or metallic compositions – Ferrous – Nine percent or more chromium containing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2068669

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