Patents by Inventor Colin Crown

Colin Crown 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).

  • Method for making cylinders for output scanners
    Patent number: 4770896
    Abstract: An output scanner exposure cylinder perforated to allow exposure film to be held on to the cylinder by vacuum comprises a metal substrate carrying a coating of cured black resin composition which has been machined to e.g., a thickness of 0.1 to 1.5 mm. The resin is usually an epoxy resin and is applied as a powder and cured by heating.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: September 13, 1988
    Assignee: Crosfield Electronics
    Inventors: Colin Crown, Edward H. Last