4. Ships
  5. Building
  6. Canal and ferry boats

Merall L. Thompson

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Centrifugal pump and paddle boat propulsion system

Ships – Building – Canal and ferry boats
Patent

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Combined centrifugal and paddle-wheel side thruster for boats

Power plants – Reaction motor – Motive fluid principally liquid
Patent

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Outboard boat propulsion installation

Marine propulsion – Paddle wheel
Patent

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Profile ID: LFUS-PAI-P-631190

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