Patents by Inventor John T. Puglis

John T. Puglis 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).

  • Photomultiplier dynode coating materials and process
    Patent number: 4639638
    Abstract: The photosensitivity of a photomultiplier dynode to white light or infrared radiation is greatly reduced by coating the dynode with a layer of an alkali halide material having good secondary electron emission characteristics. A method of applying the coating to the dynode is also described.
    Type: Grant
    Filed: January 28, 1985
    Date of Patent: January 27, 1987
    Assignee: Sangamo Weston, Inc.
    Inventors: John A. Purcell, John T. Puglis, Steven W. Duckett