Patents by Inventor William E. Hoffer

William E. Hoffer 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).

  • Drinking glass
    Patent number: D329170
    Type: Grant
    Filed: August 15, 1989
    Date of Patent: September 8, 1992
    Assignee: The Coca-Cola Company
    Inventor: William E. Hoffer
  • Stemware
    Patent number: D370597
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: June 11, 1996
    Assignee: Libbey Glass Inc.
    Inventor: William E. Hoffer