Patents by Inventor Lewis C. Spessard

Lewis C. Spessard 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: 4198225
    Abstract: A method and apparatus is provided for manufacturing microchannel-plate-iall structures (MIW's) wherein the electrical properties of the microchannel plate are protected by the localized application of a cover gas.
    Type: Grant
    Filed: April 20, 1979
    Date of Patent: April 15, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: E. Vincent Patrick, Lewis C. Spessard, Kurt Villhauer