Patents by Inventor Donald L. Matlock

Donald L. Matlock 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).

  • Grill base
    Patent number: D321108
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: October 29, 1991
    Inventors: Jon G. Lutter, Donald L. Matlock
  • Portable grill
    Patent number: D326583
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: June 2, 1992
    Inventors: Jon G. Lutter, Donald L. Matlock