Patents by Inventor Charles E. Spence

Charles E. Spence 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: D300550
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: April 4, 1989
    Assignee: Strike King Lure Company, Inc.
    Inventor: Charles E. Spence