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US Patent: 31,303
Steam Engine Valve
Patentee:
Thomas S. Davis - Jersey City, Hudson County, NJ

USPTO Classifications:
92/207

Tool Categories:
propulsion and energy : steam engines : steam engine pistons

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 05, 1861

Reissue Information:
Reissued as RE6,128 (Nov. 10, 1874)

Patent Pictures:
USPTO pdf tiff
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