Minerals Separation, Ltd. v. Hyde
District Court, D. Montana
In Equity. Suit by Minerals Separation, Limited, and the Minerals Separation American Syndicate, Limited, against James M. Hyde.
1Opinion of the Court
BOURQUIN, District Judge.
Complainants are owner and its licensee oT United States patent No. 835,120, for improvements in a process of ore concentration, issued on an application filed May 29, 1905, by said owner’s grantors, Messrs. Sulman, Picard, and Ballot, of Uondon, England, joint inventors and patentees, and this suit is for infringement of certain claims of said patent by defendant, a former employe of said owner, and by it trained in the process. The defenses are various grounds of invalidity, hereinafter noted so far as of merit and seriously urged, and noninfringement.
The invention…
2Cases cited11 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911
- Smith v. Goodyear Dental Vulcanite Co.Supreme Court of the United States · 1877
- Tilghman v. ProctorSupreme Court of the United States · 1881
- Carnegie Steel Co. v. Cambria Iron Co.Supreme Court of the United States · 1902
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3Cited by4 opinions
- Miami Copper Co. v. Minerals Separation, Ltd.Court of Appeals for the Third Circuit · 1917
- Minerals Separation, Ltd. v. Butte & Superior Copper Co.District Court, D. Montana · 1916
- Wolf Mineral Process Corp. v. Mineral Separation North American Corp.District Court, D. Maryland · 1925
- Minerals Separation, Ltd. v. Butte & Superior Mining Co.District Court, D. Montana · 1917