发明名称 Measuring arrangement to determine location of corners for a building foundation and a wooden base frame, and the use thereof
摘要 An arrangement comprising a laser projection device is used in determining the location of corners in constructing a foundation of a building or other structure. The arrangement is also used in positioning wooden beams perpendicular to one another in a floor frame or similar structure.
申请公布号 US2007074410(A1) 申请公布日期 2007.04.05
申请号 US20060445935 申请日期 2006.06.02
申请人 ARMSTRONG TIMOTHY D;HATHAWAY GLENN T 发明人 ARMSTRONG TIMOTHY D.;HATHAWAY GLENN T.
分类号 G01C15/00 主分类号 G01C15/00
代理机构 代理人
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