Patents Assigned to Querton Inc.
  • Patent number: 7124513
    Abstract: A laser indicator has a laser mechanism having three laser generators generating laser beams perpendicular to each other. Each of the three laser generators is electrically coupled to a separate laser control motor for independent control of the beam of the corresponding laser generator. The laser indicator further includes an adjusting mechanism including a control circuit module, a frame having an adjustment support associated therewith, and a plurality of level control motors disposed in the frame. The laser indicator also includes a laser generator adjuster and tightener.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: October 24, 2006
    Assignee: Querton Inc.
    Inventors: TN Chen, Sheng-Ching Wu, Ching-Horng Hsiao