Kryptok Co. v. Stead Lens Co.
Court of Appeals for the Eighth Circuit
Appeal from the Circuit Court of the United States for the Western District of Missouri. Bill by the Kryptok Company against the Stead Lens Company for infringement of patent. From an order enjoining complainant from bringing other suits for infringement of patents, complainant appeals.
1Opinion of the Court
SANBORN, Circuit Judge.
On June 11, 1909, Kryptok Company, a corporation, exhibited a bill in the court below at Kansas City, in the state of Missouri, against Stead Lens Company, another corporation, for infringement of letters patent'Nos. 637,4# and 876,933, on improvements in bifocal lenses, and prayed for an injunction and an accounting of gains and profits and for damages. On September 9, 1909, the Stead Company answered, and denied the validity of the patents and its alleged infringement of them. On April 19, 1910, Kryptok Company closed its evidence in chief, and any delay thereafter in…
2Cases cited6 opinions
- Russell v. FarleySupreme Court of the United States · 1882
- Birdsell v. ShaliolSupreme Court of the United States · 1884
- Blount v. Societe Anonyme Du Filtre Chamberland Systeme PasteurCourt of Appeals for the Sixth Circuit · 1892
- Layton Pure Food Co. v. Church & Dwight Co.Court of Appeals for the Eighth Circuit · 1910
- Shubert v. WoodwardCourt of Appeals for the Eighth Circuit · 1909
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- Cold Metal Process Co. v. E. W. Bliss Co.Court of Appeals for the Sixth Circuit · 1960
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