Patents by Inventor Victor Shevtchuk

Victor Shevtchuk 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).

  • Finger line screen printing method and apparatus
    Patent number: 4604298
    Abstract: A method of screen printing a conductive ink onto a substrate to form a pattern of narrow, closely spaced conductive lines. Before screening, the conductive ink is exposed to ambient air until its viscosity is in the range 700,000 to 900,000 centipoise at 70.degree. Fahrenheit.
    Type: Grant
    Filed: February 12, 1985
    Date of Patent: August 5, 1986
    Assignee: Gulton Industries, Inc.
    Inventors: Victor Shevtchuk, Nhut Chau, Richard C. Schuessler