Patents by Inventor Timothy J. Gaul

Timothy J. Gaul 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 comparator
    Patent number: D325881
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: May 5, 1992
    Assignee: Hach Company
    Inventors: Scott V. Brayton, Richard D. Vanvalin, Timothy J. Gaul