发明名称 Method of displaying advertising on a turnstile
摘要 A method of advertising includes providing a transparent, tubular sleeve within which a sheet carrying advertising is placed and removably attaching the tubular sleeve to one of the arms of a turnstile.
申请公布号 US7096625(B1) 申请公布日期 2006.08.29
申请号 US20000705152 申请日期 2000.11.02
申请人 HERING MARTIN 发明人 HERING MARTIN
分类号 E06B11/08 主分类号 E06B11/08
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