Patents by Inventor James DeSilva

James DeSilva 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).

  • Windsurfer sail device
    Patent number: 5732642
    Abstract: A windsurfer sail with an extendable wind range and easier uphauling capability. Sealable openings on the body of the sail provide for adjustability by the operator.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: March 31, 1998
    Inventor: James DeSilva