Patents by Inventor Warren J. Persak

Warren J. Persak 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).

  • Accessory RF shields for multiple-line ribbon cables
    Patent number: 5030794
    Abstract: The disclosed accessory RF shield has unitized conductive and insulating barrier sheets, sized to correspond lengthwise to the axial length of a ribbon cable to be shielded and widthwise between opposite side edges to completely encircle the ribbon cable and present overlapped inner and outer side edge layers adapted to be connected together for forming a field connection.
    Type: Grant
    Filed: February 14, 1990
    Date of Patent: July 9, 1991
    Assignee: RLP Tool Co.
    Inventors: Mark S. Schell, Warren J. Persak