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US Patent: 3,497
Threshing-machine
Patentees:
Ezra Whitman, Jr. - Winthrop, ME
Luther Whitman - Winthrop, ME

USPTO Classifications:
460/102, 460/114

Tool Categories:
agricultural machines : threshers

Assignees:
None

Manufacturer:
Whitman Agricultural Works - Winthrop, ME

Witnesses:
Edwin L. Brundage
Thomas P. Jones
Sam Wood, Jr.
Samuel P. Benson

Patent Dates:
Granted: Mar. 20, 1844

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Whitman Agricultural Co.

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