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Boating Industry Continues to Claim Propeller Guards Were Never Offered by Boat Builders: We Show Otherwise » OMC Propeller Guard U.S. Patent 4,304,558

OMC Propeller Guard U.S. Patent 4,304,558

OMC Propeller Guard U.S. Patent 4,304,558. This prop guard / shroud is integral with the drive housing.

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