Patents by Inventor Mark A. Rickman

Mark A. Rickman 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).

  • Ignition indicator for gas grills
    Patent number: 4441480
    Abstract: A gas grill having a visible indicator for indicating ignition of the grill burner. The indicating device includes a sensing device mounted adjacent the burner on a common bracket with a burner igniter. The control for the igniter is mounted in a common housing with the ignition indicator. An encapsulated spark gap, neon bulb, or similar device is connected with the spark igniter for indicating that a spark has jumped an electrode gap.
    Type: Grant
    Filed: January 5, 1981
    Date of Patent: April 10, 1984
    Assignee: Vernitron Corporation
    Inventors: Mark A. Rickman, Murray Leonard