-
-
-
-
Vortex shedding cyclical propeller
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Patent number 7,762,776
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Issue date Jul 27, 2010
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Siegel Aerodynamics, Inc.
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Stefan Günther Siegel
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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-
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Hydrofoil vessel
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Patent number 4,473,358
-
Issue date Sep 25, 1984
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Harry L. Viosca
-
B60 - VEHICLES IN GENERAL
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Icebreaker vessel
-
Patent number 3,985,091
-
Issue date Oct 12, 1976
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Heinrich Waas
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2294104
-
Patent number 2,294,104
-
Issue date Aug 25, 1942
-
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT