Patents by Inventor Marianne D. Knight

Marianne D. Knight 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: D298707
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: November 29, 1988
    Inventor: Marianne D. Knight