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US Patent: 3,497
Threshing-machine
Patentees: Ezra Whitman, Jr. (exact or similar names) - Winthrop, ME Luther Whitman (exact or similar names) - Winthrop, ME USPTO Classifications: 460/102, 460/114 Tool Categories: agricultural : threshers and thrashers 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 (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Whitman Agricultural Co.

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