Blaw-Knox Co. v. Hartsville Oil Mill
District Court, D. South Carolina
1Opinion of the Court
HEMPHILL, District Judge.
This is a civil action for infringement of United States Patent No. 2,840,459, dated June 24, 1958 which shall be referred to as the Karnofsky patent. The Karnofsky patent was issued to the plaintiff as the assignee of George B. Karnofsky, and title has remained in the plaintiff ever since. The defendant French Oil Mill Machinery Company has counterclaimed for a declaration that the Karnofsky patent is invalid and not infringed in toto. The court has jurisdiction of the parties and subject matter under 28 U.S.C. §§ 1338(a) and 1400(b). Jurisdiction is not contested.
The…
2Cases cited16 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Graver Tank & Mfg. Co. v. Linde Air Products Co.Supreme Court of the United States · 1950
- United States v. AdamsSupreme Court of the United States · 1966
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Smith v. SnowSupreme Court of the United States · 1935
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3Cited by1 opinion
- Richdel Division of Garden America Corp. v. Aqua-Trol Corp.District Court, E.D. New York · 1988