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Alan William Kruppa
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Dallas, TX, US
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last 30 patents
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Patent Grant
Three degree-of-freedom pivot assembly, sail-mounted ballast, and s...
Patent number
7,568,442
Issue date
Aug 4, 2009
Alan William Kruppa
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
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Patent Application
Three Degree-of-Freedom Pivot Assembly, Sail-Mounted Ballast, and S...
Publication number
20080245284
Publication date
Oct 9, 2008
Alan William Kruppa
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT