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US Patent: 928,394
Rheostat
Patentees: Charles R. Meston (exact or similar names) - St. Louis, MO Herbert I. Finch (exact or similar names) - St. Louis, MO USPTO Classifications: 338/205, 338/301, 338/58 Tool Categories: electrical devices Assignees: Emerson Electric Mfg. Co. - St. Louis, MO Manufacturer: Emerson Electric Mfg. Co. - St. Louis, MO Witnesses: F. R. Cornwall Lenore Clark	Patent Dates: Applied: Apr. 23, 1909 Granted: Jul. 20, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Emerson Electric Co.

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