Legal Opinion

Aro Equipment Corporation v. Herring-Wissler Co.

Court of Appeals for the Eighth Circuit

Decided July 6, 1936No. 10490, 10494PublishedCited by 13 opinions

1Opinion of the Court

BOOTH, Circuit Judge.

There are here an appeal and a cross-appeal from a decree entered in a suit for infringement of a patent which held the patent invalid for lack of invention; and held, further, that the license set up as one of the defenses had not been proven.

The patent in controversy is United States patent No. 1,918,833 to John F. Carter, assigned and issued to plaintiff, the Aro Equipment Corporation, application filed November 11, 1931, patent issued July 18, 1933, for a “Power unit for individual lubricant guns.”

The complaint is in conventional form, as also is the answer, except…

2Cases cited11 opinions

  1. McClain v. OrtmayerSupreme Court of the United States · 1891
  2. Atlantic Works v. BradySupreme Court of the United States · 1883
  3. Keller v. Potomac Electric Power Co.Supreme Court of the United States · 1923
  4. Tropic-Aire, Inc. v. Sears, Roebuck & Co.Court of Appeals for the Eighth Circuit · 1930
  5. Lewis v. IngramCourt of Appeals for the Tenth Circuit · 1932

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

3Cited by13 opinions

  1. Allied Wheel Products, Inc. v. RudeCourt of Appeals for the Sixth Circuit · 1953
  2. American Infra-Red Radiant Co. v. Lambert Industries, Inc.Court of Appeals for the Eighth Circuit · 1966
  3. Minnesota Mining & Mfg. Co. v. CoeCourt of Appeals for the D.C. Circuit · 1938
  4. Evr-Klean Seat Pad Co. v. Firestone Tire & Rubber Co.Court of Appeals for the Eighth Circuit · 1941
  5. Metro-Goldwyn-Mayer Corporation v. FearCourt of Appeals for the Ninth Circuit · 1939

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

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