Legal Opinion
Keller v. Clark Equipment Co.
Court of Appeals for the Eighth Circuit
Decided August 11, 1983No. 82-2066PublishedCited by 15 opinions
1Opinion of the Court
HEANEY, Circuit Judge.
This case began as a challenge to the validity of three patents covering various aspects of a successful four-wheel loader marketed initially by Melroe Manufacturing Company (Melroe), and subsequently by Clark Equipment Company (Clark), under the trade name “Bobcat.” The present appeal involves one of the three patents — a manufacturing patent entitled “tractor vehicle and drive therefore” — which this Court declared invalid under 35 U.S.C. § 102(b) because the application for it was not filed within one year after the invention had been offered for sale. Clark Equipment…
2Cases cited18 opinions
- United States v. Dubilier Condenser CorpSupreme Court of the United States · 1933
- Shannon v. Samuel Langston CompanyDistrict Court, W.D. Michigan · 1974
- Ladjevardian v. Laidlaw-Coggeshall, Inc.District Court, S.D. New York · 1977
- Johnson v. Monsanto Co.North Dakota Supreme Court · 1981
- Boehm v. WheelerWisconsin Supreme Court · 1974
13 more not listed; retrieve them via the Exa API.
3Cited by15 opinions
- Groseth International, Inc. v. Tenneco, Inc.South Dakota Supreme Court · 1987
- Bud Antle, Inc. v. Eastern Foods, Inc.Court of Appeals for the Eleventh Circuit · 1985
- Luxliner P.L. Export, Co. v. RDI/Luxliner, Inc.Court of Appeals for the Third Circuit · 1993
- National Gypsum Co. v. Continental Brands Corp.District Court, D. Massachusetts · 1995
- Village Builders 96, L. P. v. U.S. Laboratories, Inc.Nevada Supreme Court · 2005
10 more not listed; retrieve them via the Exa API.