4. Buoys, rafts, and aquatic devices
  5. Swimming aid to increase stroke efficiency
  6. Foot attached

Edwin L. Swinehart

Examiner

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Active turbulence control using microelectrodes, permanent magne

Ships – Building – Antifriction surfaces
Patent

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Adjustable canoe pontoons

Ships – Boats – boat component – or attachment – Deck or gunwale attachment
Patent

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Adjustable kayak paddle

Marine propulsion – Oar or paddle
Patent

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Adjustable mast step

Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent

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Adjustable mast step

Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent

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Profile ID: LFUS-PAI-P-12471

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