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US Patent: 510,300
Feed-water-purifier attachment
Patentee: Edwin R. Stilwell (exact or similar names) - Dayton, OH USPTO Classifications: 212/166, 220/327, 312/330.1 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : feedwater apparatus Assignees: Stilwell-Bierce & Smith-Vaile Co. - Dayton, OH Manufacturer: Stilwell-Bierce & Smith-Vaile Co. - Dayton, OH Witnesses: Benjamin F. McCann John A. Mayer	Patent Dates: Applied: Aug. 31, 1891 Granted: Dec. 05, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Stilwell-Bierce & Smith-Vaile Co.

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