发明名称 Bowling Training Device
摘要 A training device is disclosed, the device includes a flexible strap that attaches to an article of clothing worn on a lower part of the body and worn by a user over the shoulder thereby maintaining a proper swing and release of a bowling ball.
申请公布号 US2008161120(A1) 申请公布日期 2008.07.03
申请号 US20060618123 申请日期 2006.12.29
申请人 MILLER ROBERT RAYMOND;MILLER DAWN MAE 发明人 MILLER ROBERT RAYMOND;MILLER DAWN MAE
分类号 A63B69/00 主分类号 A63B69/00
代理机构 代理人
主权项
地址