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

James S. Demarco, Jr.

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Electrical connector with replaceable male pins

Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Patent

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Flipper energy source

Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Foot attached
Patent

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Single in-line fiber-optic rotary joint

Optical waveguides – With optical coupler – Movable coupler
Patent

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Profile ID: LFUS-PAI-P-1608858

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