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US Patent: 628,431
Plow-point
Patentee: William A. Clark (exact or similar names) - Rockford, IL USPTO Classifications: 172/745 Tool Categories: agricultural : plows Assignees: Weyburn & Briggs Co. - Rockford, IL Manufacturer: Not known to have been produced Witnesses: George R. Miller L. L. Miller	Patent Dates: Applied: Jun. 25, 1898 Granted: Jul. 04, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Weyburn Co.

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