Patents by Inventor Joe D. Tidwell

Joe D. Tidwell 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 liner incorporating thermal expansion stress relief spacers
    Patent number: 4385622
    Abstract: Presented is a fireplace liner fabricated from metal adapted for inclusion in a masonry fireplace structure and which incorporates means for accommodating thermal expansion of the metallic liner so as to preclude the imposition of destructive forces on the surrounding masonry.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: May 31, 1983
    Inventor: Joe D. Tidwell