发明名称 Pitching screen system
摘要 A pitching screen which provides a first pitching lane and a second pitching lane in a single pitching screen configuration to allow both left-handed pitchers and right-handed pitchers to pitch without repositioning the pitching screen.
申请公布号 US2007066423(A1) 申请公布日期 2007.03.22
申请号 US20060601566 申请日期 2006.11.17
申请人 MORROW SPORTS, LLC 发明人 MORROW WILLIAM D.
分类号 A63B69/00 主分类号 A63B69/00
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