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US Patent: 306,208
Safety Valves
Patentees:
Henry G. Ashton (exact or similar names) - Somerville, MA
Randall Gould (exact or similar names) - Boston, MA

USPTO Classifications:
137/469, 137/540

Tool Categories:
propulsion and energy : steam apparatus : steam safety valves

Assignees:
Ashton Valve Co. - Boston, MA

Manufacturer:
Ashton Valve Co. - Boston, MA

Witnesses:
W. A. Copeland
John R. Snow

Patent Dates:
Applied: Apr. 11, 1884
Granted: Oct. 07, 1884

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.

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