Patents by Inventor Tommy R. Lewis

Tommy R. Lewis 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: 5480331
    Abstract: A flexible fin for surfboards, sailboards and other watercraft comprises a thin core sheet made of laminated fiberglass sandwiched between two slabs of closed-cell polyurethane foam. The flexible fin provides for sharper turns while increasing the buoyancy of the craft.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: January 2, 1996
    Assignee: John R. Nickel
    Inventor: Tommy R. Lewis