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US Patent: 236,052
Steam-engine valve-gear
Patentee: Elon A. Marsh (exact or similar names) - Battle Creek, MI USPTO Classifications: 74/837 Tool Categories: propulsion and energy : steam engines : steam engine valve gear Assignees: Elon A. Marsh - Battle Creek, MI Minard Lafeber - Battle Creek, MI Manufacturer: Nichols & Shepard Co. - Battle Creek, MI Witnesses: E. R. Smith W. G. Morehouse	Patent Dates: Applied: May 03, 1880 Granted: Dec. 28, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Nichols & Shepard Co.

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