Patents by Inventor Philip J. Spangler

Philip J. Spangler 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).

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    Patent number: D289017
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: March 31, 1987
    Assignee: The Stolle Corporation
    Inventors: Philip J. Spangler, Wayne A. Spoltman