Patents by Inventor Robert W. Zienkewicz

Robert W. Zienkewicz 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).

  • Electromagnetic baffle for printed circuit boards
    Patent number: 6775154
    Abstract: An electromagnetic baffle arrangement includes a lid (22) having a trough or air gap (30) in the side walls of each cavity (23) of lid (22). Conductive strips (28) are applied to a layer of printed circuit board (26) and each of the legs (31) of lid (22). Optionally, to eliminate circulation of electromagnetic signals within air gap (30) a grounded bolt (32) may be inserted aperiodically.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: August 10, 2004
    Assignee: Motorola, Inc.
    Inventors: Warren L. Seely, Ronald D. Fuller, Robert W. Zienkewicz