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Shigeki Yonezawa
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Coon Rapids, MN, US
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last 30 patents
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Patent Grant
Inflatable watercraft with portable engine package
Patent number
4,942,838
Issue date
Jul 24, 1990
Yamaha Hatsudoki Kabushiki Kaisha
Kirk A. Boyer
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT