Railroad Supply Co. v. Elyria Iron & Steel Co.
Supreme Court of the United States
CERTIORARI TO THE CIRCUIT COURT OF APPEALS FOR THE SIXTH CIRCUIT. The case is stated in the opinion.
1Opinion of the CourtJustice Clarke
On March 26, 1909, The Railroad Supply Company, petitioner, commenced this suit against The Elyria Iron & Steel Company in the Circuit (now District) Court for the Northern District of Ohio, claiming infringement of claim No. 8 of United States Letters Patent No. 538,809, granted May 7, 1895, of claims Nos. 1, 2 and 3 of Patent No. 691,332, granted January 14, 1902, and of claims Nos. 7 and 9 of Patent No. 721,644, granted February 24, 1903. All of these patents, granted to B. Wolhaupter, were acquired by the petitioner, and each of the three purported to describe a new and useful improvement…
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- Roberts v. RyerSupreme Court of the United States · 1875
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