发明名称 REBOUND BALL GAME
摘要 <p>A portable stepball game including a lightweight, simulated stairway that is collapsible into a portable carrying case or frame which may be easily transported to and erected in virtually any play environment. The stairway comprises at least one step including an essentially vertical riser portion and an essentially horizontal tread portion wherein the tread portion includes nosing on its player-facing edge which overhang the riser portion therebeneath.</p>
申请公布号 WO2009073228(A1) 申请公布日期 2009.06.11
申请号 WO2008US13469 申请日期 2008.12.08
申请人 GELZINIS, ANTHONY, C.;GELZINIS, MICHAEL, A.;GELZINIS-ENOCH, THERESA 发明人 GELZINIS, ANTHONY, C.;GELZINIS, MICHAEL, A.;GELZINIS-ENOCH, THERESA
分类号 A63B67/00 主分类号 A63B67/00
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