发明名称 Football helmet face mask
摘要 A football helmet having a face mask formed of a wire frame with a series of beads strung along certain wires to make it difficult for an opposing player to grab the face mask. Each bead is formed such that it can be snapped on its supporting wire.
申请公布号 US4594737(A) 申请公布日期 1986.06.17
申请号 US19850694071 申请日期 1985.01.23
申请人 BUTASH, JOHN D. 发明人 BUTASH, JOHN D.
分类号 A42B3/20;(IPC1-7):A42B1/08 主分类号 A42B3/20
代理机构 代理人
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