Legal Opinion
Aleograph Co. v. Electrical Research Products, Inc.
Court of Appeals for the Fifth Circuit
Decided January 20, 1932No. 6390PublishedCited by 10 opinions
1Opinion of the Court
WALKER, Circuit Judge.
The Aleograph Company, a Delaware corporation (herein referred to as the plaintiff), the owner since its issue on May 20, 1924, pursuant to application of Allen Stowers and Leo De Hymel, of United States patent. No. 1,494,514, entitled “Art of Producing Motion Pictures and Sound Synchronized *107Therewith,” brought this suit in equity against Electrical Research Products, Inc., a Delaware corporation (herein referred to as the defendant), for the infringement of that patent. The defendant set up the invalidity of the patent sued on, and denied infringement thereof by it.…
2Cases cited5 opinions
- McClain v. OrtmayerSupreme Court of the United States · 1891
- I. T. S. Rubber Co. v. Essex Rubber Co.Supreme Court of the United States · 1926
- Cimiotti Unhairing Co. v. American Fur Refining Co.Supreme Court of the United States · 1905
- Weber Electric Co. v. E. H. Freeman Electric Co.Supreme Court of the United States · 1921
- Harris v. LaddCourt of Appeals for the Eighth Circuit · 1929
3Cited by10 opinions
- Stewart-Warner Corp. v. Lone Star Gas Co.Court of Appeals for the Fifth Circuit · 1952
- Jensen-Salsbery Laboratories, Inc. v. O. M. Franklin Blackleg Serum Co.Court of Appeals for the Tenth Circuit · 1934
- Great Lakes Carbon Corporation v. Continental Oil CompanyDistrict Court, W.D. Louisiana · 1963
- Texsteam Corp. v. BlanchardCourt of Appeals for the Fifth Circuit · 1965
- Aleograph Co. v. Electrical Research Products, Inc.Court of Appeals for the Fifth Circuit · 1936
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