LISLE CORP. v. A.J. MFG. CO.

Nos. 04-1275, 04-1346.

398 F.3d 1306 (2005)

LISLE CORPORATION, Plaintiff-Appellee, v. A.J. MANUFACTURING COMPANY, Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

February 11, 2005.


Attorney(s) appearing for the Case

Jon O. Nelson, Banner & Witcoff, Ltd., of Chicago, Illinois, argued for plaintiff-appellee. With him on the brief were Matthew P. Becker and Phoebe K. Phillips.

Jonathan A. Harris, Wildman, Harrold, Allen & Dixon, of Chicago, Illinois, argued for defendant-appellant. With him on the brief was John S. Letchinger.

Before LOURIE, Circuit Judge, FRIEDMAN, Senior Circuit Judge, and BRYSON, Circuit Judge.


LOURIE, Circuit Judge.

A.J. Manufacturing Company ("A.J.") appeals from the decision of the United States District Court for the Northern District of Illinois granting summary judgment of infringement of United States Patent 5,287,776 ("the ' 776 patent") in favor of Lisle Corporation ("Lisle") and denying A.J.'s motion for summary judgment of invalidity for indefiniteness and "impossibility." Lisle Corp. v. A.J. Mfg. Co., 289 F.Supp.2d...

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