Patents by Inventor Richard M. Coppola

Richard M. Coppola 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).

  • Contrast enhanced electroluminescent device
    Patent number: 4455506
    Abstract: A contrast enhanced electroluminescent device employs a chromium oxide-chromium cermet as the contrast enhancing material.
    Type: Grant
    Filed: May 11, 1981
    Date of Patent: June 19, 1984
    Assignee: GTE Products Corporation
    Inventors: Murthy S. Ayyagari, Martin P. Schrank, Richard M. Coppola
  • Method of coating lamp envelope with heat reflecting filter
    Patent number: 4048347
    Abstract: A dichroic coating is deposited on a cylindrical lamp envelope from an evaporation source while the envelope is heated and rotated. The thickness of the coating is monitored by measuring the intensity of light beamed on and reflected from a flat plate in line of sight with the evaporation source.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: September 13, 1977
    Assignee: GTE Sylvania Incorporated
    Inventors: Martin P. Schrank, Richard M. Coppola