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经营范围
发明名称
Bowling balls
摘要
Soft rubber buffing dust is dispersed throughout the hard rubber cover of a bowling ball. When polished, cavities are formed in the cover, resulting in increased traction or grip between the bowling ball and bowling lane surface.
申请公布号
US4133527(A)
申请公布日期
1979.01.09
申请号
US19770761100
申请日期
1977.01.21
申请人
AMF INCORPORATED
发明人
PRICE, FLOYD L.
分类号
A63B37/00;(IPC1-7):A63B37/14;A63B37/12
主分类号
A63B37/00
代理机构
代理人
主权项
地址
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