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US Patent: 716,864
Safety Valve
Patentees: Frederick A. Casey (exact or similar names) - Billerica, Middlesex County, MA Arthur E. Cutler (exact or similar names) - Somerville, Midlesex County, MA USPTO Classifications: 137/529 Tool Categories: propulsion and energy : steam apparatus : steam safety valves Assignees: Ashton Valve Co. - Hartford, Hartford County, CT Manufacturer: Ashton Valve Co. - Hartford, Hartford County, CT Witnesses: G. A. Rockwell C. B. Maynadier	Patent Dates: Applied: Dec. 23, 1901 Granted: Dec. 30, 1902 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ashton Valve Co.
Description: Patented in Canada, patent #CA-84,776.

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