发明名称 Device for positioning the head of a golfer during the golf swing
摘要 A head positioning device for use by a golfer including a mouthpiece and a rigid shaft affixed to and extending outwardly from the mouthpiece. The mouthpiece has a curved configuration. The shaft is affixed to the center of the curved configuration. The shaft extends radially outwardly of the mouthpiece. The shaft is a straight shaft. The mouthpiece has an interior area adapted to be received by teeth of the golfer.
申请公布号 US6332846(B1) 申请公布日期 2001.12.25
申请号 US19990398510 申请日期 1999.09.17
申请人 RENNHACK DAVID B. 发明人 RENNHACK DAVID B.
分类号 A63B57/00;A63B69/36;(IPC1-7):A63B57/00 主分类号 A63B57/00
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