发明名称 Roof top archery practice platform
摘要 A platform adapted for mounting on the roof of a garage or other building and being capable of supporting a hunter, thereby enabling such hunter to practice shooting from a level above ground level at a target at or near ground level.
申请公布号 US2009229213(A1) 申请公布日期 2009.09.17
申请号 US20080075387 申请日期 2008.03.11
申请人 MISTELSKI MICHAEL J 发明人 MISTELSKI MICHAEL J.
分类号 E04B7/18;E04B7/02;E04H1/12 主分类号 E04B7/18
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