Patents by Inventor Raymond D. Pence

Raymond D. Pence 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).

  • Cooking cycle timer
    Patent number: 5239519
    Abstract: An apparatus that prepares food in cycles is achieved by tying in a timer which resets to zero and measures elapsed time from cycle to cycle.
    Type: Grant
    Filed: March 25, 1991
    Date of Patent: August 24, 1993
    Assignee: Ashland Oil, Inc.
    Inventors: David W. Nelson, Gary M. Grill, Raymond D. Pence, Robert A. Compton