Legal Opinion
Elbert C. Leach v. Rockwood & Co.
Court of Appeals for the Seventh Circuit
Decided July 10, 1968No. 16517_1PublishedCited by 11 opinions
1Opinion of the Court
HASTINGS, Circuit Judge.
Elbert Leach appeals from an adverse judgment entered June 29, 1967, following a bench trial, in his patent infringement action against appellee Rockwood & Co. The trial court held the patent in suit invalid and not infringed.
The patent in suit, Patent No. 2,580,-306, was issued to appellant and others December 25, 1951 and covers an automatic silo unloader. Nine of the patent claims were involved in the suit and all were held invalid and not infringed. Leach v. Rockwood & Company, D.C.W.D. Wis., 273 F.Supp. 779 (1967). Since the trial of this case we have considered…
2Cases cited10 opinions
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- Hunt v. Armour & Co.Court of Appeals for the Seventh Circuit · 1951
- Elgen Manufacturing Corporation v. Ventfabrics, Inc., Elgen Manufacturing Corporation v. Ventfabrics, Inc.Court of Appeals for the Seventh Circuit · 1963
- Devex Corporation v. General Motors CorporationCourt of Appeals for the Seventh Circuit · 1963
- King-Seeley Thermos Co. v. Tastee Freez Industries, Inc.Court of Appeals for the Seventh Circuit · 1966
5 more not listed; retrieve them via the Exa API.
3Cited by11 opinions
- Stamicarbon, N v. V. Escambia Chemical CorporationCourt of Appeals for the Fifth Circuit · 1970
- General Electric Co. v. United StatesUnited States Court of Claims · 1978
- Woodstream Corporation v. Herter's, Inc. And George L. HerterCourt of Appeals for the Eighth Circuit · 1971
- Dennison Manufacturing Co. v. Ben Clements & Sons, Inc.District Court, S.D. New York · 1979
- Skil Corporation v. Cutler-Hammer, Inc.Court of Appeals for the Seventh Circuit · 1969
6 more not listed; retrieve them via the Exa API.