4. Aeronautics and astronautics
  5. Aircraft power plants

John W. Ramsey, Jr.

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Electric powered tip-driven fan with metal/air battery assembly

Aeronautics and astronautics – Aircraft power plants
Patent

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Inflatable dunnage with tie-downs

Railway rolling stock – Miscellaneous
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Metal/air battery cell and assembly therefor

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
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Profile ID: LFUS-PAI-P-9375

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