Legal Opinion
General Electric Co. v. De Forest Radio Co.
District Court, D. Delaware
Decided January 15, 1927No. 561PublishedCited by 4 opinions
1Opinion of the Court
MORRIS, District Judge.
On December 30, 1913, United States letters patent No. 1,-082,933, for improvements in tungsten and methods of making the same for use as filaments of incandescent electric lamps and for other purposes, was granted to General Electric Company as assignee of William D. Coolidge. In the suit at bar, instituted by General Electric Company against De Forest Radio Company and Robelen Piano Company, the plaintiff charges De Forest Company with contributory infringement of process claims Nos. 1 to 23, inclusive, 8,13, and 15 excepted, and both defendants with infringement of…
2Cases cited38 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Seymour v. OsborneSupreme Court of the United States · 1871
- McClain v. OrtmayerSupreme Court of the United States · 1891
- Tilghman v. ProctorSupreme Court of the United States · 1881
- Coffin v. OgdenSupreme Court of the United States · 1874
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3Cited by4 opinions
- Application of Edward Burton LegriceCourt of Customs and Patent Appeals · 1962
- George M. Mooney v. Brunswick CorporationCourt of Appeals for the Seventh Circuit · 1981
- Austin Powder Co. v. Atlas Powder Co.District Court, D. Delaware · 1983
- General Electric Co. v. Wabash Appliance Corp.District Court, E.D. New York · 1937