Patents by Inventor Madeline Thomas

Madeline Thomas 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).

  • Patent number: D304496
    Type: Grant
    Filed: June 26, 1987
    Date of Patent: November 7, 1989
    Assignee: H. G. Wallace Limited
    Inventor: Madeline Thomas