Legal Opinion
Hycor Corp. v. Schlueter Co.
District Court, W.D. Wisconsin
Decided February 25, 1983No. 81-C-176-CPublishedCited by 1 opinion
1Opinion of the Court
OPINION AND ORDER
CRABB, Chief Judge.
In this civil action for damages and in-junctive relief, plaintiff is seeking an injunction against future infringement by defendant of U.S. Patent No. 3,876,548 (issued *997to Donald P. Welles, Jr. on April 8,1975 and thereafter assigned to plaintiff) and an accounting for damages for past infringement. Defendant defends on the grounds that plaintiff’s patent is invalid, void, and unenforceable and not infringed by any product made or sold by it.
The patent at issue relates to a device for separating solids from liquids such as waste water, and sold by…
2Cases cited18 opinions
- Consolidated Fruit-Jar Co. v. WrightSupreme Court of the United States · 1877
- Republic Industries, Inc. v. Schlage Lock CompanyCourt of Appeals for the Seventh Circuit · 1979
- Loctite Corporation v. Fel-Pro, Inc. And Felt Products Mfg. Co.Court of Appeals for the Seventh Circuit · 1981
- Plastic Container Corporation v. Continental Plastics of Oklahoma, Inc.Court of Appeals for the Tenth Circuit · 1979
- Airtex Corporation, and Cross-Appellee v. Shelley Radiant Ceiling Company, and Cross-AppellantCourt of Appeals for the Seventh Circuit · 1976
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3Cited by1 opinion
- Hycor Corporation v. The Schlueter CompanyCourt of Appeals for the Federal Circuit · 1984