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Sponson attachment for airboat
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Patent number 11,247,759
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Issue date Feb 15, 2022
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Billy Miller
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Amphibious vehicle
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Patent number 10,106,004
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Issue date Oct 23, 2018
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Mitsubishi Heavy Industries, Ltd.
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Takaaki Oshima
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B60 - VEHICLES IN GENERAL
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Aqua lift
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Patent number 9,908,590
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Issue date Mar 6, 2018
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NORTHEAST AQUA LIFT LLC
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William Foster
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Flotation device
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Patent number 9,139,267
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Issue date Sep 22, 2015
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Joseph J. Zablocki
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Wind propelled apparatus
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Patent number 4,926,774
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Issue date May 22, 1990
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BIC Corporation
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William K. Winner
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Auxiliary flotation system
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Patent number 4,864,961
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Issue date Sep 12, 1989
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Richard M. Slonski
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3830178
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Patent number 3,830,178
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Issue date Aug 20, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3358884
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Patent number 3,358,884
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Issue date Dec 19, 1967
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3134354
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Patent number 3,134,354
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Issue date May 26, 1964
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3028828
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Patent number 3,028,828
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Issue date Apr 10, 1962
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT