Patents by Inventor Ian K. Fraser

Ian K. Fraser 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).

  • Sail batten
    Patent number: 4136630
    Abstract: A tapered sail batten comprises two external generally flat sheets, and an interposed corrugated core sheet, formed of a fiber reinforced synthetic plastic material. The depth of the corrugations in the core sheet increases progressively from end to end of the sheet, and the two external sheets are bonded to the peaks of the corrugations. The batten is elongated and the corrugations are transverse to the length of the batten.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: January 30, 1979
    Inventor: Ian K. Fraser