Stead Lens Co. v. Kryptok Co.
Court of Appeals for the Eighth Circuit
Appeal from the District Court of the United States for the Western District of Missouri; Arba S. Van Valkenburgh, Judge. Suit in equity by the Kryptok Company against the Stead Lens Company. Decree for complainant, and defendant appeals.
1Opinion of the Court
RINER, District Judge.
This was a bill in equity brought by the Kryptok Company, praying an injunction and accounting for an alleged infringement by the Stead Lens Company of two patents, one numbered 637,444, issued to John L. Borsch November 21, 1899, and the second numbered 876,933, issued to John L. Borsch, Jr., January 21, 1908. Both patents are for new and useful improvements in bifocal lenses to be used in spectacles and eyeglasses of the special character known as bifocal.
It is averred in the bill that the Kryptok Company is a corporation organized and existing under the laws of the…
2Cases cited44 opinions
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Potts v. CreagerSupreme Court of the United States · 1895
- Smith v. Goodyear Dental Vulcanite Co.Supreme Court of the United States · 1877
- National Hollow Brake-Beam Co. v. Interchangeable Brake-Beam Co.Court of Appeals for the Eighth Circuit · 1901
- Keystone Manufacturing Co. v. AdamsSupreme Court of the United States · 1894
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3Cited by21 opinions
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- Buchanan v. Wyeth Hardware & Manufacturing Co.Court of Appeals for the Eighth Circuit · 1931
- Acme Foundry & Machine Co. v. Oil Well Improvements Co.Court of Appeals for the Eighth Circuit · 1924
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