Patents by Inventor H. Kenneth Duke

H. Kenneth Duke 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).

  • Sign
    Patent number: D341380
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: November 16, 1993
    Assignee: The Coca-Cola Company
    Inventors: Annis R. Morgan, Jr., H. Kenneth Duke, Blair A. Caplinger