Legal Opinion

Hazeltine Research, Inc. v. Avco Manufacturing Corporation and the Harry Alter Co., Inc.

Court of Appeals for the Seventh Circuit

Decided December 1, 1955No. 11327PublishedCited by 39 opinions

1Opinion of the Court

SCHNACKENBERG, Circuit Judge.

Plaintiff brought an action for patent infringement in the district court against Avco Manufacturing Corporation 1 and its Chicago area distributor, The Harry Alter Co., Inc. The patent in suit was directed to a synchronization system for television, and is known as Toulon reissue patent, No. 22,055. Avco counterclaimed asking a declaratory judgment of invalidity, noninfringement and un-enforceability of said patent, and for damages.

The district court entered a consent order of noninfringement as to claims 1 to 4 inclusive, which were included in the original…

2Cases cited19 opinions

  1. Mercoid Corp. v. Mid-Continent Investment Co.Supreme Court of the United States · 1944
  2. Automatic Radio Mfg. Co., Inc. v. Hazeltine Research, IncSupreme Court of the United States · 1950
  3. Mahn v. HarwoodSupreme Court of the United States · 1884
  4. United States v. American Bell Telephone Co.Supreme Court of the United States · 1888
  5. B. B. Chemical Co. v. EllisSupreme Court of the United States · 1942

14 more not listed; retrieve them via the Exa API.

3Cited by39 opinions

  1. Monsanto Company v. Rohm & Haas CompanyCourt of Appeals for the Third Circuit · 1972
  2. United States v. Cornelius W. SullivanCourt of Appeals for the Third Circuit · 1964
  3. Oberlin v. Marlin American Corp.Court of Appeals for the Seventh Circuit · 1979
  4. American Photocopy Equipment Company v. Rovico, Inc.Court of Appeals for the Seventh Circuit · 1967
  5. Benjamin L. Ehrlich v. Wanda L. Van Epps, Etc.Court of Appeals for the Seventh Circuit · 1970

34 more not listed; retrieve them via the Exa API.

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