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US Patent: 275,871
Valve Gear
Patentee: John E. Sweet (exact or similar names) - Syracuse, Onondaga County, NY USPTO Classifications: 73/494 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: None Manufacturer: Haggert Bros. Mfg. Co. - Brampton, ON, Canada Witnesses: Unknown	Patent Dates: Applied: Dec. 16, 1881 Granted: Apr. 17, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Haggert Bros. Mfg. Co.

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