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US Patent: 938,708
Electromechanical device Stamp mill
Patentee: George H. Rowe (exact or similar names) - Riverside, IL USPTO Classifications: 267/182, 310/15, 310/27, 74/470 Tool Categories: specialty machines : ore processing apparatus trade specific : miner Assignees: Electro-Magnetic Tool Co. - Cicero, IL Manufacturer: Electro-Magnetic Tool Co. - Cicero, IL Witnesses: G. Y. Skinner P. H. Truman	Patent Dates: Applied: Jun. 09, 1908 Granted: Nov. 02, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Electro-Magnetic Tool Co.
Description: Improvements to the inventor's patent 894,782 to adapt that mechanism for use in a stamp mill, which is used to break up rock in ore processing.

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