Legal Opinion

Wilson v. Seng Co.

Court of Appeals for the Seventh Circuit

Decided February 1, 1952No. 10450PublishedCited by 14 opinions

1Opinion of the Court

DUFFY, Circuit Judge.

Plaintiffs’ complaint sought relief based on (1) an equitable cause of action asking for an accounting for unjust enrichment because of alleged appropriation by defendant of an invention submitted to it by plaintiff before the patent in suit was issued, and (2) a patent infringement case alleging the infringement of U. S. Patent No. 2,-437,580 issued to plaintiff Wilson on March 9, 1948. The trial court found and concluded that there was no appropriation of plaintiff Wilson’s invention by defendant, and that the claims of the patent in suit were invalid but if valid were…

2Cases cited14 opinions

  1. Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1949
  2. Hoeltke v. C. M. Kemp Mfg. Co.Court of Appeals for the Fourth Circuit · 1936
  3. Park-In-Theatres, Inc. v. PerkinsCourt of Appeals for the Ninth Circuit · 1951
  4. Schreyer v. Casco Products Corp.Court of Appeals for the Second Circuit · 1951
  5. Booth v. Stutz Motor Car Co. of America, Inc.Court of Appeals for the Seventh Circuit · 1932

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

3Cited by14 opinions

  1. Armour & Co. v. Wilson & Co., Inc.Court of Appeals for the Seventh Circuit · 1960
  2. Merrill v. Builders Ornamental Iron Co.Court of Appeals for the Tenth Circuit · 1952
  3. Rex Chainbelt, Inc. v. General Kinematics Corporation, and Albert MusschootCourt of Appeals for the Seventh Circuit · 1966
  4. Union Carbide Corp. v. Graver Tank & Mfg. Co.Court of Appeals for the Seventh Circuit · 1960
  5. Clapper v. Original Tractor Cab Co.Court of Appeals for the Seventh Circuit · 1959

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

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