
    Duane L. KNOPIK, Plaintiff-Appellant, v. BP PRODUCTS NORTH AMERICA, INC., Defendant-Appellee, and Exxonmobile Oil Corporation, Defendant-Appellee, and Enecotech Midwest Inc., Defendant-Appellee, and Conocophillips Company, Sinclair Oil Corporation, Unocal Corporation, Leggette, Brashears & Graham, Inc., DPRA Incorporated and Braun Intertec Corporation, Defendants.
    No. 03-1420.
    United States Court of Appeals, Federal Circuit.
    DECIDED: April 7, 2004.
    Paul H. Berghoff, McDonnell, Boehnen, James H. Patterson, Patterson, Thuente, J. Thomas Vitt, Sri K. Sankaran, Dorsey & Whitney, Principal Attorneys, Sean M. Sullivan, Eric R. Moran, McDonnell, Boehnen, of Counsels, Chicago, IL, Michael S. Ryan, Murnane, Conlin, of Counsel, St. Paul, MN, for Defendants-Appellees.
    Kurt J. Niederluecke, Briggs and Morgan, Principal Attorney, Malcolm L. Moore, Moore & Hansen, David C. Forsberg, Lori J. Marco, Briggs and Morgan, of Counsels, Minneapolis, MN, for Plaintiffs-Appellants.
    Before CLEVENGER, GAJARSA, and PROST, Circuit Judges.
   Judgment

PER CURIAM.

This CAUSE having been heard and considered, it is ORDERED and ADJUDGED:

AFFIRMED. See Fed. Cir. R. 36.  