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US Patent: 122,756
Improvement in safety-valves
Patentee:
William Camerer (exact or similar names) - Reading, PA

USPTO Classifications:
137/533.25, 137/540, 251/152

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

Assignees:
None

Manufacturer:
Ashton Valve Co. - Boston, MA

Witnesses:
W. E. Good
E. J. Rauch

Patent Dates:
Granted: Jan. 16, 1872

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Ashton Valve Co.
Description:
This patent was subsequently by Henry G. Ashton in patent 291,126.

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