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US Patent: 2,173,318
Steam Charging Device for Unfired Pressure Vessels
Patentee: Brian Wheeler (exact or similar names) - Beloit, Rock County, WI USPTO Classifications: 122/35, 239/522 Tool Categories: transportation : railroads : railroad locomotives : steam locomotives Assignees: Heisler Locomotive Works - Erie, Erie County, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 14, 1937 Granted: Sep. 19, 1939 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Charles L. Heisler/Heisler Locomotive Works

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