4. Marine propulsion
  5. Operator powered drive for propelling means
  6. Rotary cranking arm

Ralph M. Eide

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Pedal operated water cycle

Transportation – Watercraft or hull – Paddle wheel or crank driven
Patent

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Pedal operated water cycle

Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent

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Wheel assembly for boats

Ships – Boats – boat component – or attachment – With wheeled buoyant landing or launching aid
Patent

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Profile ID: LFUS-PAI-P-860646

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