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ARROWHEAD INDUS. WATER, INC. v. ECOLOCHEM, INC.

No. 87-1626.

846 F.2d 731 (1988)

ARROWHEAD INDUSTRIAL WATER, INC., Plaintiff-Appellant, v. ECOLOCHEM, INC., Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

May 6, 1988.

Attorney(s) appearing for the Case

George H. Gerstman of Pigott & Gerstman, Chicago, Ill., argued for plaintiff-appellant.

Richard L. Aitken of Lane & Aitken, Washington, D.C., argued for defendant-appellee. Of counsel was Clifton E. McCann, of Lane & Aitken, Washington, D.C.

Before MARKEY, Chief Judge, FRIEDMAN, Circuit Judge, and SKELTON, Senior Circuit Judge.

MARKEY, Chief Judge.

Appeal from an order of the United States District Court for the Northern District of Illinois, Eastern Division, No. 87-C-3839 (August 24, 1987), that dismissed a complaint of Arrowhead Industrial Water, Inc. (Arrowhead), seeking a declaratory judgment of invalidity, unenforceability, and noninfringement of U.S. Patent No. 4,556,492 ('492 patent) owned by Ecolochem, Inc. (Ecolochem). We reverse and remand...

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