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US Patent: 29,738
Improvement in casting cylinders for thrashing-machines
Patentees:
Ezra Whitman - Baltimore, MD
Luther Whitman - Winthrop, ME

USPTO Classifications:
164/23, 164/355

Tool Categories:
agricultural machines : threshers

Assignees:
None

Manufacturer:
Whitman Agricultural Works - Winthrop, ME

Witnesses:
Charles F. Stansbury
John G. Thompson

Patent Dates:
Granted: Aug. 21, 1860

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

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