Patents by Inventor Barbara D. MacMillan

Barbara D. MacMillan 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).

  • Stringed instrument holder
    Patent number: D242966
    Type: Grant
    Filed: October 15, 1973
    Date of Patent: January 11, 1977
    Inventor: Barbara D. MacMillan