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US Patent: 31,971
Piston of steam-engines
Patentee: James O. Haight (exact or similar names) - Albany, NY USPTO Classifications: 277/482 Tool Categories: propulsion and energy : steam engines : steam engine pistons : piston ring and packing Assignees: None Manufacturer: James O. Haight - Albany, NY J. O. Haight & Son - Albany, NY Witnesses: J. J. Gallup William Scranton	Patent Dates: Granted: Apr. 09, 1861 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for James O. Haight

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