Legal Opinion

Jenn-Air Corporation v. Penn Ventilator Co., Inc., Cross-Appellant

Court of Appeals for the Third Circuit

Decided June 27, 1972No. 71-1446, 71-1447PublishedCited by 37 opinions

1Opinion of the Court

OPINION OF THE COURT

McLAUGHLIN, Circuit Judge.

This is a patent infringement suit involving three of plaintiff’s power ventilator patents. There was a fourth patent which plaintiff had originally claimed defendant had infringed. Plaintiff withdrew that charge prior to trial and at plaintiff’s request, the district judge dismissed it with prejudice at the opening of the trial herein.

Application for his first patent was made by Mr. Jenn, its inventor, July 2, 1945. The patent, 2,458,607, hereafter called ’607, was allowed Mr. Jenn April 10, 1951. He assigned it to his plaintiff corporation…

2Cases cited7 opinions

  1. Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
  2. Holmberg v. ArmbrechtSupreme Court of the United States · 1946
  3. Marconi Wireless Co. v. United StatesSupreme Court of the United States · 1943
  4. Monroe Auto Equipment Company v. Heckethorn Manufacturing & Supply CompanyCourt of Appeals for the Sixth Circuit · 1964
  5. Helen Reabe Sobosle v. United States Steel CorporationCourt of Appeals for the Third Circuit · 1966

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3Cited by37 opinions

  1. A.C. Aukerman Company v. R.L. Chaides Construction Co.Court of Appeals for the Federal Circuit · 1992
  2. Billy K. Watkins v. Northwestern Ohio Tractor Pullers Association, Inc.Court of Appeals for the Sixth Circuit · 1980
  3. University of Pittsburgh, a Non Profit Corporation v. Champion Products Inc., a CorporationCourt of Appeals for the Third Circuit · 1982
  4. Jamesbury Corp. v. Litton Industrial Products, Inc.Court of Appeals for the Federal Circuit · 1988
  5. Studiengesellschaft Kohle Mbh, as Trustee for the Max-Planck-Institut Fur Kohlenforschung v. Eastman Kodak CompanyCourt of Appeals for the Fifth Circuit · 1980

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

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