Luminous Unit Co. v. R. Williamson & Co.
District Court, N.D. Illinois
In Equity. Suit by the Luminous Unit Company against R. Williamson & Co. On final hearing.
1Opinion of the Court
SANBORN, District Judge.
Infringement suit on two patents issued to Edwin F. Guth, with a second claim for unfair competition; the parties being citizens of different states, and $5,000 damages claimed. The patents involved are for an improved electric lamp for semi-indirect illumination, called the Braskolite, and are numbered 1,076,418 and 1,082,322. Defendant’s lamp is known as the “400 Unit.”
[1] The two important questions are the validity of tile first patent and the alleged unfair competition, since there is very little difference between the Braskolite and the 400 Unit. These fixtures…
2Cases cited8 opinions
- Yale & Towne Mfg. Co. v. AlderCourt of Appeals for the Second Circuit · 1907
- Marvel Co. v. PearlCourt of Appeals for the Second Circuit · 1904
- Pope Automatic Merchandising Co. v. McCrum-Howell Co.Court of Appeals for the Seventh Circuit · 1911
- State Bank of Chicago v. Hillman'sCourt of Appeals for the Seventh Circuit · 1910
- Consolidated Ice Co. v. Hygeia Distilled Water Co.Court of Appeals for the Third Circuit · 1907
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3Cited by8 opinions
- In re Morton-Norwich Products, Inc.Court of Customs and Patent Appeals · 1982
- Electric Auto-Lite Co. v. P. & D. MFG. CO.Court of Appeals for the Second Circuit · 1935
- Freeman-Sweet Co. v. Luminous Unit Co.Court of Appeals for the Seventh Circuit · 1919
- Haeger Potteries, Inc. v. Gilner PotteriesDistrict Court, S.D. California · 1954
- Reflectolyte Co. v. Luminous Unit Co.Court of Appeals for the Eighth Circuit · 1927
3 more not listed; retrieve them via the Exa API.