发明名称 Golf putting practice apparatus
摘要 The golf putting practice apparatus of this invention includes a base having a bias clement attached thereto and a flexible connecting element connected between the bias element and an attachment assembly, which may be releasably attached to a putter. The bias element provides tension to the connecting element in order to maintain the portion of the connecting element extending between attachment assembly and the bias element taut, thereby providing a substantially linear alignment reference along which an individual may traverse the putter.
申请公布号 US5816928(A) 申请公布日期 1998.10.06
申请号 US19970815051 申请日期 1997.03.11
申请人 COLONNA, JOHN P. 发明人 COLONNA, JOHN P.
分类号 A63B21/00;A63B69/36;(IPC1-7):A63B69/56 主分类号 A63B21/00
代理机构 代理人
主权项
地址