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US Patent: 125,843
Improvement in Steam Harvesters
Patentee: Robert Crouch Parvin (exact or similar names) - Philadelphia, PA USPTO Classifications: 305/122, 56/14.7 Tool Categories: agricultural : harvesters Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Apr. 16, 1872 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Northwestern Parvin Steam Motor Mfg. Co.

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