发明名称 |
IMPACT RESISTANT SURFBOARD |
摘要 |
Waterboards such as surfboards are described that are formed of a combination of a resilient foam core with an outer shell of polycarbonate or polyurethane. Such waterboards may further include fibrous material bonded to or embedded in the outer shell for additional strength.
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申请公布号 |
US2008032575(A1) |
申请公布日期 |
2008.02.07 |
申请号 |
US20060462753 |
申请日期 |
2006.08.07 |
申请人 |
WYRSTA MICHAEL D;JOHNSON DAVID S |
发明人 |
WYRSTA MICHAEL D.;JOHNSON DAVID S. |
分类号 |
A63C5/03 |
主分类号 |
A63C5/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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