4. Marine propulsion
  5. Screw propeller
  6. Propeller guard

PropGuard, Inc.

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Propeller guard

Marine propulsion – Screw propeller – Propeller guard
Patent

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Switch system for preventing marine propeller injuries

Marine propulsion – Means to control the supply of energy responsive to a sensed...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1474351

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