MICRO CHEMICAL, INC. v. GREAT PLAINS CHEMICAL CO.

Nos. 95-1504, 95-1514.

103 F.3d 1538 (1997)

MICRO CHEMICAL, INC, Plaintiff-Appellant, v. GREAT PLAINS CHEMICAL CO., INC., Lextron, Inc., and Robert C. Hummel, Defendants-Cross/Appellants, and William Pratt, Defendant.

United States Court of Appeals, Federal Circuit.

Rehearing Denied March 3, 1997.


Attorney(s) appearing for the Case

Timothy B. Dyk, Jones, Day, Reavis & Pogue, Washington, D.C., argued, for plaintiff-appellant. With him on the brief were John P. Pinkerton, Ross Spencer Garsson, and Carl F. Schwenker, Dallas, TX, and Gregory A. Castanias, Washington, D.C. Of counsel on the brief was John Mozola, Sprouse, Mozola, Smith & Rowley, P.C., Amarillo, TX.

Dennis J. Mondolino, Hopgood, Calimafde, Kalil & Judlowe, New York City, argued for defendants-cross/appellants. With him on the brief were Michael F. Hurley and Edward M. Reisner.

Before ARCHER, Chief Judge, MAYER and LOURIE, Circuit Judges.


LOURIE, Circuit Judge.

Micro Chemical Inc. appeals from the judgment of the United States District Court for the District of Colorado that U.S. Patent 4,733,971 is invalid and was not infringed by the defendants. Micro Chem. Inc. v. Great Plains Chem. Co., 900 F.Supp. 1386 (D.Colo. 1995). Great Plains Chemical Co., Inc., Lextron, Inc., and Robert C. Hummel (collectively "Lextron...

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