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US Patent: 391,916
Steam-engine
Patentee: Charles T. Porter (exact or similar names) - Schenectady, NY USPTO Classifications: 137/625.48, 251/118 Tool Categories: propulsion and energy : steam engines Assignees: None Manufacturer: Charles T. Porter - Newark, NJ Witnesses: Samuel Insull B. M.Tate	Patent Dates: Applied: Oct. 13, 1887 Granted: Oct. 30, 1888 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Charles. T. Porter; Porter-Allen Engine Co.

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