发明名称 Method for practicing a billiard shot
摘要 A method for practicing a billiard shot includes defining a position for each particular one billiard ball within the plurality of billiard balls on the surface of the billiard table, using a defined device having a defined body, selectively securing each device to the surface of the billiard table with each ball within the cavity of the corresponding device in its first position, taking a first billiard shot, replacing each of the two or more billiard balls to their first position on the surface of the billiard table, and taking a second billiard shot including the replaced two or more billiard balls.
申请公布号 US8162771(B2) 申请公布日期 2012.04.24
申请号 US20080113683 申请日期 2008.05.01
申请人 BERGSTROM RICHARD;BRANDEE BERGSTROM 发明人 BERGSTROM RICHARD
分类号 A63D15/00 主分类号 A63D15/00
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