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US Patent: 61,728
Improvement in pistons for steam engines
Patentee: Theodore A. Goff (exact or similar names) - San Francisco, CA USPTO Classifications: 277/482 Tool Categories: propulsion and energy : steam engines : steam engine pistons : piston ring and packing Assignees: None Manufacturer: L. B. Flanders' Machine Works - Philadelphia, PA Witnesses: Alfred Rix R. B. Bishop	Patent Dates: Granted: Feb. 05, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Pedrick & Ayer

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