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HAYNES INTERN., INC. v. JESSOP STEEL CO.

No. 91-1410.

8 F.3d 1573 (1993)

HAYNES INTERNATIONAL, INC., Plaintiff-Appellant, v. JESSOP STEEL COMPANY, Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

November 1, 1993.

Attorney(s) appearing for the Case

Victor M. Wigman, Wigman & Cohen, P.C., Arlington, VA, argued for plaintiff-appellant. With him on the brief was Lynn J. Alstadt, Buchanan Ingersoll, P.C., Pittsburgh, PA.

William H. Webb, Webb, Burden, Ziesenheim & Webb, P.C., Pittsburgh, PA, argued for defendant-appellee. With him on the brief was Kent E. Baldauf.

Before RICH, NEWMAN and PLAGER, Circuit Judges.

PLAGER, Circuit Judge.

This is a patent infringement case, involving infringement under the doctrine of equivalents. Haynes International, Inc. (Haynes) appeals the final decision of the United States District Court for the Western District of Pennsylvania (Civil Action No. 87-2717) entered on June 14, 1991. The district court granted Jessop Steel Company's (Jessop) motion for summary judgment of non-infringement of U.S. Patent No. 4,533,414 (the '414 patent), both...

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