Legal Opinion
Southwestern Tool Co. v. Hughes Tool Co.
Court of Appeals for the Tenth Circuit
Decided July 1, 1938No. 1625PublishedCited by 25 opinions
1Opinion of the Court
BRATTON, Circuit Judge.
This is an action instituted by Hughes Tool Company against Southwestern Tool Company and Emil Dufek for infringement of three patents. Reference will be made to the parties as they were denominated in, the trial court. Plaintiff alleged in conventional manner that it owned letters patent Number 1,320,384 issued to Louis A. God-bold and Harold W. Fletcher in 1919, letters patent Number 1,480,014 issued to Floyd L. Scott in 1924, and letters patent Number 1,647,753 issued to F. L. Scott and L. H. Wellensiek in 1927; and that defendants Had infringed each and all of them.…
2Cases cited19 opinions
- Sanitary Refrigerator Co. v. WintersSupreme Court of the United States · 1929
- Leeds & Catlin Company v. Victor Talking Machine Company (No. 2)Supreme Court of the United States · 1909
- Cotton-Tie Co. v. SimmonsSupreme Court of the United States · 1882
- Dangler v. Imperial MacH. Co.Court of Appeals for the Seventh Circuit · 1926
- National Cash-Register Co. v. LelandCourt of Appeals for the First Circuit · 1899
14 more not listed; retrieve them via the Exa API.
3Cited by25 opinions
- Adventures in Good Eating, Inc. v. Best Places to Eat, Inc.Court of Appeals for the Seventh Circuit · 1942
- Williams Iron Works Co. v. Hughes Tool Co.Court of Appeals for the Tenth Circuit · 1940
- Robertson Rock Bit Co. v. Hughes Tool Co.Court of Appeals for the Fifth Circuit · 1949
- Bewal, Inc., a Corporation of Kansas and Benjamine C. Edwards, Jr. v. Minnesota Mining and Manufacturing Company, a Corporation of DelawareCourt of Appeals for the Tenth Circuit · 1961
- Williams v. Hughes Tool Co.Court of Appeals for the Tenth Circuit · 1950
20 more not listed; retrieve them via the Exa API.