发明名称 Protective device
摘要 A hand held protective device including an elongated hollow handle, a closed looped member interlooped with one end of the handle and which is distendable therefrom by the user, and a releaseable closure arranged at the other end of the handle for withdrawing the loop into the housing upon completion of use.
申请公布号 US4506889(A) 申请公布日期 1985.03.26
申请号 US19840571235 申请日期 1984.01.16
申请人 LEWIS, JOHN J. 发明人 LEWIS, JOHN J.
分类号 F41B15/00;(IPC1-7):F41B15/00 主分类号 F41B15/00
代理机构 代理人
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