发明名称 Putting improvement devices and methods
摘要 Methods and devices for improving putting. The device includes a representation of a green on which a plurality of putting benchmarks are projected. The representation may also include elevation indicia and indicators of the speed and predominant grain direction of the green. The device is used to enable golfers to accurately read the green and determine the speed and direction along which a particular ball should be putted. Methods of using and creating the device are also disclosed, as are additional embodiments of putting improvement devices.
申请公布号 US6638173(B2) 申请公布日期 2003.10.28
申请号 US20010931380 申请日期 2001.08.15
申请人 ROBINSON LEE D. 发明人 ROBINSON LEE D.
分类号 A63B57/00;A63B71/06;(IPC1-7):A63B69/36 主分类号 A63B57/00
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