Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Williams0
Jeffrey L. Spanski0
John C. Smith0
Derek J. Nash0
Date of Patent
February 20, 2007
0Patent Application Number
108962980
Date Filed
July 21, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A line generating device generates two fan-shaped beams of light at an angle to each other, and projects the beams onto an adjacent surface, where the beams are visible as lines on the surface. A user has access to the intersection of the lines, so that the intersection can be marked or otherwise used in combination with the lines, such as in aligning objects.
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