发明名称 A DOOR OPENING SYSTEM
摘要 <p>The invention relates generally to the field of hand sanitation, and particularly to a door opening system that restricts the movement of people through a doorway or threshold to those that have activated a hand sanitizer dispensing unit.</p>
申请公布号 WO2009131559(A1) 申请公布日期 2009.10.29
申请号 WO2008US05443 申请日期 2008.04.28
申请人 STRATMANN, GREG 发明人 STRATMANN, GREG
分类号 E05F15/20 主分类号 E05F15/20
代理机构 代理人
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