4. Marine propulsion
  5. Oscillating propelling means

Gregory S. Ketterman

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Fin for oscillating foil propulsion system

Marine propulsion – Oscillating propelling means
Reexamination Certificate

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Inflatable kayak

Ships – Boats – boat component – or attachment – Inflatable
Reexamination Certificate

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Twist and stow rudder

Ships – Steering mechanism – Rudders
Reexamination Certificate

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Watercraft

Marine propulsion – Oscillating propelling means
Patent

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Profile ID: LFUS-PAI-P-1609580

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