Patents Assigned to Wedgewood Analytical Inc.
  • Photometric detector assembly with automated calibration filters
    Patent number: 6977365
    Abstract: Photometric detector assembly which includes a housing, means for passing an optical beam along a path through the housing to a detector, a NIST traceable calibration filter enclosed within the housing, and a remotely operable actuator for moving the filter into and out of the beam path.
    Type: Grant
    Filed: January 28, 2003
    Date of Patent: December 20, 2005
    Assignee: Wedgewood Analytical Inc.
    Inventor: William H. Wynn