Siemens-Halske Electric Co. v. Duncan Electric Mfg. Co.
Court of Appeals for the Seventh Circuit
Appeal from the Circuit Court of the United States for the District of Indiana.
1Opinion of the Court
BAKER, Circuit Judge.
The appellant, complainant below, brought this suit against Duncan, the Duncan Company, Cragg, and Brown, to restrain their alleged infringement of claim 3 of patent No. 550,-823, issued December 3, 1895; claims 3, 6, and 7 of patent No. 604,465, issued May 24, 1898; and claims 2, 3,*4, 5, 7, and 11 of patent No. 698,653, issued April 29, 1902.
These inventions were all made by Duncan, and related to electric meters. In March, 1899, Duncan began service for the complainant as an electrical engineer, and continued until March, 1901. His contract required him to assign to the…
2Cases cited22 opinions
- United States v. Harvey Steel Co.Supreme Court of the United States · 1905
- Noonan v. Chester Park Athletic Club Co.Court of Appeals for the Sixth Circuit · 1900
- Victor Talking Mach. Co. v. FairCourt of Appeals for the Seventh Circuit · 1903
- Fuller v. BergerCourt of Appeals for the Seventh Circuit · 1903
- Woodward v. Boston Lasting Mach. Co.Court of Appeals for the First Circuit · 1894
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- Bell & Howell Co. v. BlissCourt of Appeals for the Seventh Circuit · 1919
- Leader Plow Co. v. Bridgewater Plow Co.Court of Appeals for the Fourth Circuit · 1916
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