Legal Opinion

Frank Adam Electric Co. v. Westinghouse Electric & Mfg. Co.

Court of Appeals for the Eighth Circuit

Decided January 11, 1945No. 12818, 12819PublishedCited by 42 opinions

1Opinion of the Court

THOMAS, Circuit Judge.

In a complaint and a supplemental complaint the Westinghouse Electric & Manufacturing Company alleged ownership of the following patents: Kranz, No. 1,551,-314; Anderson, No. 1,675,322; Hogan, No. 1,749,536; Hodgkins, No. 2,073,103; Hodg-kins, No. 2,073,104; and Jennings, No. 2,-190,517, and charged that the defendant Frank Adam Electric Company had and still was infringing certain designated claims of each of said patents by its Type AC circuit breaker service equipment.

The answer denied infringement and alleged invalidity of all the patents in suit.

After trial upon the…

2Cases cited12 opinions

  1. Mercoid Corp. v. Mid-Continent Investment Co.Supreme Court of the United States · 1944
  2. Morton Salt Co. v. G. S. Suppiger Co.Supreme Court of the United States · 1942
  3. McMullen v. HoffmanSupreme Court of the United States · 1899
  4. United States v. Masonite Corp.Supreme Court of the United States · 1942
  5. Carbice Corp. of America v. American Patents Development Corp.Supreme Court of the United States · 1931

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

3Cited by42 opinions

  1. John H. Freeman, Jr., D/B/A Freeman Electric Gin Company v. Continental Gin CompanyCourt of Appeals for the Fifth Circuit · 1967
  2. Gregory v. MitchellCourt of Appeals for the Fifth Circuit · 1981
  3. Donna Shondel and Mark J. McKechnie v. Thomas M. McDermott Individually and as Mayor of the City of Hammond, IndianaCourt of Appeals for the Seventh Circuit · 1985
  4. Gaudiosi v. MellonCourt of Appeals for the Third Circuit · 1959
  5. Claude Whitaker v. City of Houston, TexasCourt of Appeals for the Fifth Circuit · 1992

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

Showing a preview — retrieve the full document via the Exa API.

Powered by the Exa API