Patents by Inventor Jeffrey S. Opad

Jeffrey S. Opad 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: 5169450
    Abstract: A dielectric roller for a corona treatment system consists of a self-supporting tubular body of a dielectric material having a conductive layer bonded on its inner wall and a pair of end plugs with hubs closing the ends of the body. At least one of the end plugs is of conductive material and makes electrical contact with the conductive layer so that the roller can be grounded.
    Type: Grant
    Filed: April 18, 1991
    Date of Patent: December 8, 1992
    Assignee: American Roller Company
    Inventors: Jeffrey S. Opad, James R. Carlson