Patents by Inventor Martha Elizabeth Knox

Martha Elizabeth Knox 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: D564217
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: March 18, 2008
    Assignee: SeniorQuest, Inc.
    Inventors: Martha Elizabeth Knox, Marian L. Upchurch