Legal Opinion
Ryko Manufacturing Co. v. Nu-Star, Inc.
Court of Appeals for the Federal Circuit
Decided December 4, 1991No. 91-1065PublishedCited by 115 opinions
1Opinion of the Court
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 activated by mechanical insertion devices. These devices activated the carwash system by permitting electrical current to flow through the system when an…
2Cases cited15 opinions
- Anderson v. Liberty Lobby, Inc.Supreme Court of the United States · 1986
- Adickes v. S. H. Kress & Co.Supreme Court of the United States · 1970
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- American Hoist & Derrick Company, Cross-Appellee v. Sowa & Sons, Inc., Cross-AppellantCourt of Appeals for the Federal Circuit · 1984
- Stratoflex, Inc. v. Aeroquip CorporationCourt of Appeals for the Federal Circuit · 1983
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3Cited by115 opinions
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- Richardson-Vicks Inc. v. The Upjohn Company, Defendant/cross-Appellant, and McNeil Inc. And Johnson & JohnsonCourt of Appeals for the Federal Circuit · 1997
- Ecolochem, Inc. v. Southern California Edison CompanyCourt of Appeals for the Federal Circuit · 2000
- Tokai Corp. v. Easton Enterprises, Inc.Court of Appeals for the Federal Circuit · 2011
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