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US Patent: 893,188
Cut Off Valve for Engines
Patentee:
Isaac Erwin McElroy (exact or similar names) - Muscatine, Muscatine County, IA

USPTO Classifications:
91/253, 91/327, 91/333

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 26, 1906
Granted: Jul. 14, 1908

Patent Pictures:
USPTO (New site tip)
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