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Patent number:
Patent Date:
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:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
Ralston’s ingenuity left mark
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