发明名称 |
Performance adjusting attachment for a ball bat and method of using same |
摘要 |
An attachment for a ball bat having a proximal knob end includes a member having first and second opposing surfaces. The first surface is configured to be fixedly attached to the knob end of the bat. The member has a predetermined weight that is sufficient to adjust the performance of the bat.
|
申请公布号 |
US2004038758(A1) |
申请公布日期 |
2004.02.26 |
申请号 |
US20020226699 |
申请日期 |
2002.08.23 |
申请人 |
WILSON SPORTING GOODS CO. |
发明人 |
GUENTHER DOUGLAS G. |
分类号 |
A63B59/06;(IPC1-7):A63B59/06 |
主分类号 |
A63B59/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|