Patents by Inventor Mary Treadwell

Mary Treadwell 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).

  • Comfort liner
    Patent number: D370584
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: June 11, 1996
    Inventors: Franklin D. Treadwell, Jeff Treadwell, Mary Treadwell