发明名称 DOOR VIEWER BLOCKER
摘要 An exemplary embodiment provides for a device for selectively blocking a view through a door viewer includes a ring mountable over a door viewer wherein the ring encircles the door viewer and a cover rotatably coupled to the ring.
申请公布号 US2011099907(A1) 申请公布日期 2011.05.05
申请号 US20100939123 申请日期 2010.11.03
申请人 ANDERSON CURTIS LEE;GATEHOUSE ROBERT EUGENE 发明人 ANDERSON CURTIS LEE;GATEHOUSE ROBERT EUGENE
分类号 E06B7/30 主分类号 E06B7/30
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