Lakewood Engineering Co. v. Stein
Court of Appeals for the Sixth Circuit
1Opinion of the Court
DONAHUE, Circuit Judge.
The Lakewood Engineering Company filed a bill of complaint in the District Court, alleging that it was the o wner, by purchase on the 21st day of July, 1922, of United States letters patent 893,168, issued July 14, 1908, to Isaac Hewitt; that 'defendants, doing business under the firm name and style of Stein, Geisel & Stein, were infringing claims 1 and 3 of this patent, by the use of a machine known as the Ord concrete road surfaeer, and asked for an injunction and. accounting. The answer denied infringement, and alleged that the Hewitt patent is without utility,…
2Cases cited7 opinions
- Baltzley v. Spengler Loomis Mfg. Co.Court of Appeals for the Second Circuit · 1919
- Jones v. General Fireproofing Co.Court of Appeals for the Sixth Circuit · 1918
- Jones v. Sykes Metal Lath & Roofing Co.Court of Appeals for the Sixth Circuit · 1918
- Philadelphia Rubber Works Co. v. Portage Rubber Co.Court of Appeals for the Sixth Circuit · 1917
- Homer Brooke Grass Co. v. Hartford-Fairmont Co.Court of Appeals for the Second Circuit · 1919
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- Farrington v. HaywoodCourt of Appeals for the Sixth Circuit · 1929
- Automatic Appliance Co. v. McNiece Motor Co.Court of Appeals for the Eighth Circuit · 1927
- Smith v. Springdale Amusement Park, Ltd.District Court, S.D. Ohio · 1928
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