Legal Opinion
Edwards v. Johnston Formation Testing Corp.
District Court, S.D. Texas
Decided November 12, 1930No. 404PublishedCited by 8 opinions
1Opinion of the Court
HUTCHESON, District Judge.
In this suit plaintiff alleges an infringement of patent No. 1,514,585, issued to Charles R. Edwards November 4, 1924, on application filed by him January 17, 1921. Tho petition seeks an injunction and an accounting.
The defendant, the assignee of E. C. Johnston, filed its answer denying infringement, and setting up the usual statutory defenses to plaintiff’s patent, and by cross-action asserted the validity of patent No. 1,-709,940, and alleged infringement of that patent by the plaintiff.
On the trial of the case defendant abandoned its affirmative position and…
2Cases cited9 opinions
- Kokomo Fence MacHine Co. v. KitselmanSupreme Court of the United States · 1903
- Marconi Wireless Telegraph Co. v. De Forest Radio Telephone & Telegraph Co.Court of Appeals for the Second Circuit · 1917
- Michigan Carton Co. v. Sutherland Paper Co.Court of Appeals for the Sixth Circuit · 1928
- Carbide & Carbon Chemicals Corp. v. Texas Co.District Court, S.D. Texas · 1927
- Hyman v. F. W. Woolworth Co.Court of Appeals for the Eighth Circuit · 1928
4 more not listed; retrieve them via the Exa API.
3Cited by8 opinions
- Freeman v. AltvaterCourt of Appeals for the Eighth Circuit · 1933
- Matthews v. Koolvent Metal Awning Co.Court of Appeals for the Fifth Circuit · 1946
- Hughes v. Magnolia Petroleum Co.Court of Appeals for the Fifth Circuit · 1937
- Harrington Manufacturing Co. v. WhiteDistrict Court, N.D. Florida · 1971
- Johnston Formation Testing Corp. v. HalliburtonCourt of Appeals for the Fifth Circuit · 1937
3 more not listed; retrieve them via the Exa API.