Legal Opinion
Hazeltine Research, Inc. v. Firestone Tire & Rubber Co.
Court of Appeals for the Fourth Circuit
Decided November 15, 1972No. Nos. 71-2140, 71-2141PublishedCited by 2 opinions
1Opinion of the Court
BOREMAN, Senior Circuit Judge:
This is an appeal by Hazeltine Research, Inc., from a decision by the district court holding one of Hazeltine’s patents (Richman Patent No. 2,933,558, hereafter “Richman 558”) valid, but not infringed by a somewhat similar electronic circuit used in Philco television receivers, which receivers are sold by *1278the Firestone Tire and Rubber Company.
The invention, including Claim 1 of Richman 558, the claim in issue here, has been fully discussed and accurately described by the Court of Customs and Patent Appeals. In re Richman, 424 F.2d 1388 (Cust. & Pat.App. 1970).…
2Cases cited8 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Eibel Process Co. v. Minnesota & Ontario Paper Co.Supreme Court of the United States · 1923
- Continental Paper Bag Co. v. Eastern Paper Bag Co.Supreme Court of the United States · 1908
- City of Grafton v. Otis Elevator Co.Court of Appeals for the Fourth Circuit · 1948
- Morpul, Inc. v. Glen Raven Knitting Mill, Inc.Court of Appeals for the Fourth Circuit · 1966
3 more not listed; retrieve them via the Exa API.
3Cited by2 opinions
- American Telephone & Telegraph Co. v. Milgo Electronic Corp.District Court, S.D. New York · 1976
- Hazeltine Research, Inc., Cross-Appellee v. Firestone Tire and Rubber Company, Cross-Appellant. Hazeltine Research, Inc., Cross-Appellant v. Firestone Tire and Rubber Company, Cross-AppelleeCourt of Appeals for the Fourth Circuit · 1972