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US Patent: 2,467
Grain Separator
Patentee:
Andrew Ralston (exact or similar names) - Hopewell, Washington County, PA

USPTO Classifications:
460/102, 460/86, 460/87

Tool Categories:
agricultural : corn and grain separators
agricultural : winnowing machines

Assignees:
None

Manufacturer:
R.B. McClure - West Middletown, Washington County, PA

Witnesses:
Unknown
Patent Dates:
Granted: Feb. 21, 1842

Reissue Information:
Reissued as RE342 (Jan. 15, 1856)

Patent Pictures:
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Ralston’s ingenuity left mark

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