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US Patent: 944,809
Safety Valve
Patentee:
Harry C. McCarthy - Williamsport, Lycoming County, PA

USPTO Classifications:
137/535

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers : steam valves

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 07, 1907
Granted: Dec. 28, 1909

Patent Pictures:
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