Patents by Inventor Margaret Bartholomew

Margaret Bartholomew 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: D930334
    Type: Grant
    Filed: December 17, 2017
    Date of Patent: September 14, 2021
    Inventors: Margaret Bartholomew, Seth Hinsley