Patents by Inventor Margot L. Chapman

Margot L. Chapman 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).

  • Slipper
    Patent number: D251636
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: April 24, 1979
    Assignee: Warm Hearts, Inc.
    Inventors: Margot L. Chapman, Patricia A. Brown, Ingrid Kostrubala