Patents by Inventor Matthew J. Heiler

Matthew J. Heiler 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 test chart for video systems
    Patent number: D283404
    Type: Grant
    Filed: March 11, 1983
    Date of Patent: April 15, 1986
    Inventors: Matthew J. Heiler, Dennis W. Vance