Legal Opinion
A.J. Industries, Inc. v. The Dayton Steel Foundry Company
Court of Appeals for the Sixth Circuit
Decided May 6, 1968No. 17614, 17615PublishedCited by 19 opinions
1Opinion of the Court
JOHN W. PECK, Circuit Judge.
A. J. Industries, Inc. (herein “plaintiff”) brought suit against The Dayton Steel Foundry Company (herein “defendant”) for infringement of Ward Patent No. 2,841,414, which plaintiff owned. Defendant denied infringement in its answer and counter-claimed that the patent in suit was invalid. Only two of the twelve claims to the patent, claims 7 and 8, were tried to the District Court which held the claims valid and not infringed. Both parties have appealed from that decision.
The Ward patent in suit, captioned “Anti-Brake Hop Structure for Wheeled Vehicles,” pertains…
2Cases cited15 opinions
- Radio Corp. of America v. Radio Engineering Laboratories, Inc.Supreme Court of the United States · 1934
- Corona Cord Tire Co. v. Dovan Chemical Corp.Supreme Court of the United States · 1928
- Monroe Auto Equipment Company v. Heckethorn Manufacturing & Supply CompanyCourt of Appeals for the Sixth Circuit · 1964
- Smith v. HallSupreme Court of the United States · 1937
- Seagrave Corp. v. Mount Spain v. MountCourt of Appeals for the Sixth Circuit · 1954
10 more not listed; retrieve them via the Exa API.
3Cited by19 opinions
- E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc., E. I. Du Pont De Nemours & Company v. Berkley and Company, Inc.Court of Appeals for the Eighth Circuit · 1980
- Watkins v. Scott Paper Co.Court of Appeals for the Fifth Circuit · 1976
- Emmco Insurance Company v. Wallenius Caribbean Line, S.A., Defendant-Third Party v. Gulfstream Shipping Corporation, Third PartyCourt of Appeals for the Third Circuit · 1974
- Jack Winter, Inc. v. Koratron Company, Inc.District Court, N.D. California · 1974
- The Dunlop Company, Limited, and Cross-Appellee v. Kelsey-Hayes Company, and Cross-AppellantCourt of Appeals for the Sixth Circuit · 1973
14 more not listed; retrieve them via the Exa API.