Patents by Inventor F. Jeffrey Krupka

F. Jeffrey Krupka 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).

  • Color measurement device
    Publication number: 20030071998
    Abstract: A portable color measuring device for determining a color of an object, is disclosed. The color measuring device is useful for measuring and analyzing an object's color in the visible light range. The devices also allow users with little training in color analysis to quickly and consistently perform accurate color measurements.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 17, 2003
    Inventors: F. Jeffrey Krupka, Gregg Wagner