Patents Assigned to Micro-Grade Laser Systems
  • Laser apparatus for projecting a narrow beam of light as a reference line
    Patent number: 3997267
    Abstract: Apparatus for providing a reference line for surveying, pipelaying and related purposes includes a laser source, means for automatically leveling the beam from the laser source, regardless of the orientation of the entire instrument, and means for deflecting the leveled beam to a desired angle relative to horizontal, also regardless of the orientation of the entire instrument.
    Type: Grant
    Filed: June 21, 1972
    Date of Patent: December 14, 1976
    Assignee: Micro-Grade Laser Systems
    Inventor: Viktor Met