Patents by Inventor James A. Duty

James A. Duty 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).

  • Ice cream sandwich
    Patent number: D283748
    Type: Grant
    Filed: October 6, 1983
    Date of Patent: May 13, 1986
    Assignee: Campus Creations of Missouri, Inc.
    Inventor: James A. Duty