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US Patent: 318,597
Cut-off valve
Patentee: Henry Burton (exact or similar names) - Port Huron, MI USPTO Classifications: 137/51, 137/867 Tool Categories: propulsion and energy : steam engines Assignees: William S. Jenks - Port Huron, MI Orrin L. Jenks - Port Huron, MI Manufacturer: Phoenix Iron Works - Port Huron, MI Witnesses: H. S. Sprague E. Scully	Patent Dates: Applied: Jan. 02, 1885 Granted: May 26, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Phoenix Iron Works

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