发明名称 Pitching Screen
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 US2012279042(A1) 申请公布日期 2012.11.08
申请号 US201213550368 申请日期 2012.07.16
申请人 MORROW WILLIAM DAVID;MORROW SPORTS, LLC 发明人 MORROW WILLIAM DAVID
分类号 B23P11/00 主分类号 B23P11/00
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