Patents by Inventor E. V. Patrick

E. V. Patrick 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 and apparatus to fabricate image intensifier tubes
    Patent number: 4286833
    Abstract: A two chamber vacuum method and apparatus is provided for simultaneously independently preparing image tube components, or the like, with two distinct vacuum environments for separate preparation of the components, and for final assembling of these components in an interconnecting compartment by vacuum sealing.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: September 1, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: E. V. Patrick, Howard K. Dickson, Howard L. Dunmire