78215898
Feb 18, 2003
Jul 26, 2005
Stud Sensors; Sonic Measuring Devices, namely, distance measurers for measuring a distance by sound waves and a location measurer for locating an item by sound waves; Laser Line Generators for projecting a laser line illumination on a surface; and Laser Torpedo Levels for measuring a horizontal level or a vertical level of an item with a laser line illumination
Electrical and Scientific Apparatus