发明名称 Methods and systems to maintain accessibility and integrity of equipment contained in underground housings
摘要 Disclosed herein are methods, devices and systems to maintain the accessibility and integrity of equipment contained in underground housings. The methods, devices and systems and methods of the present invention maintain the accessibility and integrity of equipment contained in underground housings by providing at least one barrier that prevents burrowing animals from off-loading displaced ground dirt or other debris into the space created by the underground housing.
申请公布号 US8083436(B2) 申请公布日期 2011.12.27
申请号 US20100837792 申请日期 2010.07.16
申请人 KEENEY GEORGE W. 发明人 KEENEY GEORGE W.
分类号 G01F15/18 主分类号 G01F15/18
代理机构 代理人
主权项
地址