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MERCANTILE NAT. BANK OF CHICAGO v. HOWMET CORP.

No. 75-1081.

524 F.2d 1031 (1975)

MERCANTILE NATIONAL BANK OF CHICAGO et al., Plaintiffs-Appellees, v. HOWMET CORPORATION et al., Defendants-Appellants.

United States Court of Appeals, Seventh Circuit.

Decided October 16, 1975.

Rehearing Denied November 24, 1975.

Certiorari Denied March 8, 1976.

Attorney(s) appearing for the Case

Charles J. Brown, Heffernan & Brown, Windham, N. Y., J. A. Bruggeman, Fort Wayne, Ind., Joseph J. C. Ranalli, New York City, for defendants-appellants.

Richard R. Trexler, John S. Fosse, Chicago, Ill., for plaintiffs-appellees.

Before CASTLE, Senior Circuit Judge, and SWYGERT and TONE, Circuit Judges.

Certiorari Denied March 8, 1976. See 96 S.Ct. 1435.

TONE, Circuit Judge.

We are asked in this appeal to reexamine the issue of the validity of the patent held valid by this court five years ago in Mercantile National Bank of Chicago v. Quest, Inc., 431 F.2d 261 (7th Cir. 1970), cert. denied, 401 U.S. 956, 91 S.Ct. 977, 28 L.Ed.2d 239 (1971). The District Court decided this issue, as well as issues of infringement...

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