Patents by Inventor Michael J. Stringfellow

Michael J. Stringfellow 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: D269796
    Type: Grant
    Filed: January 12, 1981
    Date of Patent: July 19, 1983
    Assignee: Carl Dudrey
    Inventor: Michael J. Stringfellow