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US Patent: 1,176,417
Counter Pressure Valve
Patentee:
Robert Wood (exact or similar names) - Brooklyn, NY

USPTO Classifications:
137/630.11, 137/630.13

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

Assignees:
Nathan Mfg. Co. - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 20, 1915
Granted: Mar. 21, 1916

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Nathan Mfg. Co.

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