Legal Opinion
University of Illinois Foundation v. Winegard Company
Court of Appeals for the Eighth Circuit
Decided March 24, 1969No. 19000_1PublishedCited by 21 opinions
1Opinion of the Court
LAY, Circuit Judge.
The plaintiff, the University of Illinois Foundation, appeals from a judgment below denying patent validity to its United States Letters Patent No. 3,210,767, 1 relating to a “frequency independent unidirectional antenna.” The plaintiff is the owner by assignment from one Dwight E. Isbell. For facility of discussion we refer to the patent itself as the “Isbell Patent.” Suit was brought against the defendant Winegard Company for alleged infringement. Trial was held before the Honorable Roy L. Stephenson, Chief Judge of the Southern District of Iowa. Judge Stephenson held…
2Cases cited10 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- United States v. AdamsSupreme Court of the United States · 1966
- Atlantic Works v. BradySupreme Court of the United States · 1883
- Marconi Wireless Co. v. United StatesSupreme Court of the United States · 1943
- Busell Trimmer Co. v. StevensSupreme Court of the United States · 1890
5 more not listed; retrieve them via the Exa API.
3Cited by21 opinions
- Blonder-Tongue Laboratories, Inc. v. University of Illinois FoundationSupreme Court of the United States · 1971
- Deep Welding, Inc. v. Sciaky Bros., Inc.Court of Appeals for the Seventh Circuit · 1969
- Acme Precision Products, Inc., and William F. Jobbins, Inc. v. American Alloys CorporationCourt of Appeals for the Eighth Circuit · 1970
- Flour City Architectural Metals v. Alpana Aluminum Products, Inc., Alpana Aluminum Products, Inc. v. Flour City Architectural MetalsCourt of Appeals for the Eighth Circuit · 1972
- Ralston Purina Company v. General Foods CorporationCourt of Appeals for the Eighth Circuit · 1971
16 more not listed; retrieve them via the Exa API.