Patents by Inventor Robert G. Ashman, Jr.

Robert G. Ashman, Jr. 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).

  • Fireplace structure
    Patent number: 3976048
    Abstract: A draft control means is provided for a fireplace structure in which a firebox is provided, which firebox forms a heat generating chamber. The specific improvement provides outside air induction into the firebox proper so as not to rob the room being heated from air which would normally go up the flue.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: August 24, 1976
    Inventor: Robert G. Ashman, Jr.