Patents by Inventor Frederick J. Maddage, Jr.

Frederick J. Maddage, Jr. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Benchtop spectrophotometer with improved targeting
    Patent number: 6583879
    Abstract: A color measurement instrument with improved sample targeting or positioning. The system includes an integrating sphere, a beam splitter, a video camera, and a spectrograph. The beam splitter is aligned with the viewing port of the spectrophotometer to deliver the light reflected from the sample to both the video camera and the spectrograph. The video camera provides an image of the position of the sample with respect to the viewing port of the sphere, enabling the visual observation and evaluation of the sample position prior to use of the spectrophotometer.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: June 24, 2003
    Assignee: X-Rite, Incorporated
    Inventors: Bernard J. Berg, Frederick J. Maddage, Jr., Richard Maurice Montminy, Kevin Tougas