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QUAKER CITY GEAR WORKS, INC. v. SKIL CORP.

Appeal Nos. 84-634 and 84-649.

747 F.2d 1446 (1984)

QUAKER CITY GEAR WORKS, INC. and Karlheinz Roth, Appellants/Cross-Appellees, v. SKIL CORPORATION, Appellee/Cross-Appellant.

United States Court of Appeals, Federal Circuit.

As Corrected November 14, 1984.

Attorney(s) appearing for the Case

John W. Logan, Jr., Fort Washington, Pa., argued for appellants; with him on the brief was Thomas M. Ferrill, Jr., Fort Washington.

Clarence J. Fleming, Chicago, Ill., argued for appellee; with him on the brief was Robert W. Slater, Chicago, Ill.

Before BENNETT, Circuit Judge, COWEN, Senior Circuit Judge, and NIES, Circuit Judge.

NIES, Circuit Judge.

Appeal 84-634 is from the judgment of the United States District Court for the Eastern District of Pennsylvania (Green, J.), entered September 21, 1983, holding invalid U.S. Patent No. 3,247,736, owned by Quaker City Gear Works, Inc. The case was tried to a jury, which returned a special verdict under Rule 49(a), Fed.R.Civ.P., responding to a series of factual and legal questions tending to uphold Quaker City's position that its patent was valid...

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