Patents by Inventor Michael C. Sponsel

Michael C. Sponsel 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).

  • Cap
    Patent number: D854927
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: July 30, 2019
    Assignee: Drug Plastics & Glass Company, Inc.
    Inventors: Lissa Biesecker Longacre, Walter Henry, Michael C. Sponsel, Kyle A. Moll, Douglas S. Camomile