| 发明名称 |
Weight device for athletic racket |
| 摘要 |
A weight device for attachment to a tennis racket having two sheets separated by an elastic member. Each sheet contains a plurality of weights which are housed in chambers. The chambers are formed by the joining of two layers of flexible material at spaced locations.
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| 申请公布号 |
US4538812(A) |
申请公布日期 |
1985.09.03 |
| 申请号 |
US19820350992 |
申请日期 |
1982.02.22 |
| 申请人 |
MUGFORD, DAVID B.;GUIDICIANNE, SIDNEY J. |
发明人 |
MUGFORD, DAVID B.;GUIDICIANNE, SIDNEY J. |
| 分类号 |
A63B49/04;(IPC1-7):A63B49/00 |
主分类号 |
A63B49/04 |
| 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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