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3PO Navigator Propeller Guard Invented by Guy Taylor Receives U.S. Patent » Patent 8,257,121 Propeller Shield

U.S. Patent 8,257,121 - 3PO Propeller Shield

U.S. Patent 8,257,121 – 3PO Propeller Shield. Guy Taylor’s hexagonal boat propeller guard with the swing up / flip up rear screen to reduce drag when underway.

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Dimensions 700px × 1020px

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