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RYKO MFG. CO. v. NU-STAR, INC.

No. 91-1065.

950 F.2d 714 (1991)

RYKO MANUFACTURING CO., Plaintiff-Appellant, v. NU-STAR, INC., Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

December 4, 1991.

Attorney(s) appearing for the Case

Sheldon W. Witcoff, Allegretti & Witcoff, Ltd., Chicago, Ill., argued (Ronald E. Larson, on brief), for plaintiff-appellant.

David R. Fairbairn, Kinney & Lange, P.A., Minneapolis, Minn., argued (Judson K. Champlin, on brief); Thomas J. Stueber, Kinney & Lange, P.A., of counsel, for defendant-appellee.

Before RICH, Circuit Judge, SMITH, Senior Circuit Judge, and NEWMAN, Circuit Judge.

EDWARD S. SMITH, Senior Circuit Judge.

Ryko Manufacturing Co. (Ryko) sued Nu-Star, Inc. (Nu-Star) for infringing its reissue patent Re. 32,601 ('601). The United States District Court for the District of Minnesota granted Nu-Star's motion for summary judgment based on invalidity, determining that the patented invention would have been obvious in light of the prior art. Ryko appeals, and we affirm.

Facts

Conventional automatic car washes were...

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