| 发明名称 |
Composite softball bat with inner sleeve |
| 摘要 |
A softball bat is made substantially out of composite material. The main portion of the bat includes a substantially tubular hitting surface, a taper, and a handle. A plurality of sleeves are added within the hitting surface to form a flexible bat.
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| 申请公布号 |
US2004209716(A1) |
申请公布日期 |
2004.10.21 |
| 申请号 |
US20040844476 |
申请日期 |
2004.05.12 |
| 申请人 |
MIKEN COMPOSITES, LLC. |
发明人 |
VACEK MATTHEW;GRIFFITH GEORGE B. |
| 分类号 |
A63B59/06;(IPC1-7):A63B59/06 |
主分类号 |
A63B59/06 |
| 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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