4. Ships
  5. Ballasting
  6. Fins and boards

Dirk Jurgens

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Device, such as a propeller, for ships which is independent of t

Marine propulsion – Paddle wheel – Having means to retract paddle or change paddle attitude
Patent

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Stabilizer for ocean going vessels and a stabilizer for other oc

Ships – Ballasting – Fins and boards
Patent

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Stick handle

Design Patent

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Watercraft

Ships – Steering mechanism – Rudders
Reexamination Certificate

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Profile ID: LFUS-PAI-P-569604

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