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US Patent: 910,711
Safety Valve
Patentee:
Harry C. McCarthy - Williamsport, Lycoming County, PA

USPTO Classifications:
137/543.23

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 21, 1908
Granted: Jan. 26, 1909

Patent Pictures:
USPTO pdf tiff
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