发明名称 Extreme baseball game
摘要 A unique playing field and method of playing extreme baseball, a game of traditional baseball modified by rules to allow two teams to play at the same time on the same field, is disclosed.
申请公布号 US2008125253(A1) 申请公布日期 2008.05.29
申请号 US20070982615 申请日期 2007.11.02
申请人 WEIDNER PHIL 发明人 WEIDNER PHIL
分类号 A63B67/00;A63F13/00 主分类号 A63B67/00
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