Patents by Inventor Peter Engeldrum

Peter Engeldrum 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).

  • Interactive method and system for color characterization and calibration of display device
    Patent number: 5638117
    Abstract: A system and method of characterizing the colors displayed on a display device and calibrating the display device is disclosed. A series of images are displayed to the user, and the user selects portions of the image that match other portions, that match characteristics of a matching card juxtaposed to the display device or that meet other criteria.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: June 10, 1997
    Assignee: Sonnetech, Ltd.
    Inventors: Peter Engeldrum, William Hilliard