Patents by Inventor Derek C. Castle

Derek C. Castle 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: 4644139
    Abstract: A laminated window for a vehicle, for example a windshield, has electrical conductors carried between the plastics interlayer and one of the glass sheets. An obscuration band is fired on to the margin of the inner surface of the outer glass sheet, which obscures from external view conductive strips near the edges of the window.
    Type: Grant
    Filed: December 11, 1985
    Date of Patent: February 17, 1987
    Assignee: Pilkington Brothers P.L.C.
    Inventors: Peter J. Harrison, Derek C. Castle