发明名称 Golf club
摘要 The invention relates to a golf club (1) comprising a shaft (3) provided with a handle portion (2) and a club blade (5) projecting from the lower portion (4) of said shaft (3), the hitting surface (6) of said blade is provided with a plurality of scores or grooves (7). Those grooves (7) are arranged at a predetermined mutual distance and do extend in a diverging or parallel pattern or area over at least the hitting surface (6) of the club blade (5).
申请公布号 US2004038745(A1) 申请公布日期 2004.02.26
申请号 US20030433837 申请日期 2003.06.09
申请人 AHLQVIST STEIN G. 发明人 AHLQVIST STEIN G.
分类号 A63B53/04;(IPC1-7):A63B53/04 主分类号 A63B53/04
代理机构 代理人
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