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US Patent: 29,738
Improvement in casting cylinders for thrashing-machines
Patentees: Ezra Whitman (exact or similar names) - Baltimore, MD Luther Whitman (exact or similar names) - Winthrop, ME USPTO Classifications: 164/23, 164/355 Tool Categories: agricultural : threshers and thrashers Assignees: None Manufacturer: Whitman Agricultural Works - Winthrop, ME Witnesses: Charles F. Stansbury John G. Thompson	Patent Dates: Granted: Aug. 21, 1860 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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