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US Patent: 114,427
Improvement in Piston-Packings
Patentee: Philip Estes (exact or similar names) - Leavenworth, KS USPTO Classifications: 92/207 Tool Categories: propulsion and energy : steam engines : steam engine pistons : piston ring and packing Assignees: None Manufacturer: P. Estes - Leavenworth, KS Great Western Mfg. Co. - Leavenworth, KS Novelty Iron Works - Dubuque, IA Witnesses: Solon C. Kemon A. W. Hart H. M. Tretz C. A. Petit	Patent Dates: Granted: May 02, 1871 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Great Western Manufacturing Co.

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