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Hybrid propulsor for watercraft
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Patent number 11,511,837
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Issue date Nov 29, 2022
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Marangal Mendoza Jardiniano
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Propeller for a water vehicle
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Patent number 11,358,692
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Issue date Jun 14, 2022
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promarin Propeller und Marinetechnik GmbH
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Bernd Weinrich
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Snow making apparatus and methods
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Patent number 4,901,920
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Issue date Feb 20, 1990
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Snow Machines Incorporated
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Goesta Wollin
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Propeller for ship
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Patent number 4,514,146
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Issue date Apr 30, 1985
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Mitsui Engineering & Shipbuilding Co., Ltd.
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Takeo Nojiri
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3791762
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Patent number 3,791,762
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Issue date Feb 12, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3703211
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Patent number 3,703,211
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Issue date Nov 21, 1972
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3606579
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Patent number 3,606,579
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Issue date Sep 20, 1971
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2199823
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Patent number 2,199,823
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Issue date May 7, 1940
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2046538
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Patent number 2,046,538
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Issue date Jul 7, 1936
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1779026
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Patent number 1,779,026
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Issue date Oct 21, 1930
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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1748581
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Patent number 1,748,581
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Issue date Feb 25, 1930
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1717663
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Patent number 1,717,663
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Issue date Jun 18, 1929
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1341653
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Patent number 1,341,653
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Issue date Jun 1, 1920
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1021822
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Patent number 1,021,822
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Issue date Apr 2, 1912
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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1012822
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Patent number 1,012,822
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Issue date Dec 26, 1911
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT