Patents by Inventor Paul W. Simon

Paul W. Simon 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).

  • Etchant and method of etching tin oxide film
    Patent number: 4009061
    Abstract: The invention comprises a method of forming a pattern of conductive tin oxide anodes on a glass plate by forming a layer of tin oxide on the plate, masking off predetermined patterns with a layer of resist material, and dipping the resist-coated plate in an etchant comprising a mineral acid in which chromium is dissolved and to which some other active metal is added during the dip process as required.
    Type: Grant
    Filed: August 14, 1975
    Date of Patent: February 22, 1977
    Assignee: Burroughs Corporation
    Inventor: Paul W. Simon