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Francois Wirz
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Roseville, MN, US
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last 30 patents
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Patent Grant
Water skis having a reinforced, foamed-in-place, plastic hull bonde...
Patent number
4,250,585
Issue date
Feb 17, 1981
Hart Ski Mfg. Co., Inc.
Maurice N. Theriault
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT