Patents by Inventor David B. Congleton

David B. Congleton 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).

  • Laser recording film with opaque coating
    Patent number: 4158715
    Abstract: A real-time laser recording film having a plastic/dye coating on one side thereof provides improved image sharpness and visual qualities. The film fabrication is compatible with continuous production techniques to provide an economical, high quality film.
    Type: Grant
    Filed: January 17, 1978
    Date of Patent: June 19, 1979
    Assignee: The Singer Company
    Inventors: Michael R. Smith, David B. Congleton, Arthur S. Diamond