| 发明名称 |
Mat especially adapted for use as a baseball or softball on-deck circle, method of making of the mat, and method of using the mat |
| 摘要 |
A mat that may be placed on a baseball or softball playing field for designating a batter on-deck area.
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| 申请公布号 |
US2005266939(A1) |
申请公布日期 |
2005.12.01 |
| 申请号 |
US20040854380 |
申请日期 |
2004.05.25 |
| 申请人 |
PURCELL MARK S |
发明人 |
PURCELL MARK S. |
| 分类号 |
A63B69/00;(IPC1-7):A63B69/00 |
主分类号 |
A63B69/00 |
| 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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