Patents by Inventor Jack Esser

Jack Esser 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: D302765
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: August 15, 1989
    Assignee: Knapp Shoes, Inc.
    Inventor: Jack Esser