4. Ships
  5. Boats, boat component, or attachment
  6. Hull construction

John F. Hansen

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Rigid tube buoyancy assembly for boats

Ships – Boats – boat component – or attachment – Hull construction
Reexamination Certificate

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Stepped boat hull with flat pad portions

Ships – Hull or hull adjunct employing fluid dynamic forces to... – Stepped hull
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2196146

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