发明名称 Triangular football
摘要 A triangular football is disclosed which consists of two pieces of leather sewn together about their periphery. The interior of the football is filled with an acrylic fiber, causing the central region to bulge outwardly. The football is suitable for use with various tabletop football games.
申请公布号 US5257783(A) 申请公布日期 1993.11.02
申请号 US19930033499 申请日期 1993.03.18
申请人 KLUTZ, INC. 发明人 CALLAGHAN, MICHAEL L.
分类号 A63F7/40;(IPC1-7):A63F7/40 主分类号 A63F7/40
代理机构 代理人
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