Patents by Inventor David Matheson-Thomas

David Matheson-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: D333440
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: February 23, 1993
    Inventor: David Matheson-Thomas