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US Patent: 2,047,293
Method of making lister shares
Patentee: Charles H. Schumacher (exact or similar names) - Dundee, IL USPTO Classifications: 172/730, 29/14, 29/891 Tool Categories: agricultural : plows Assignees: Illinois Iron & Bolt Co. - Carpentersville, IL Manufacturer: Illinois Iron & Bolt Co. - Carpentersville, IL Witnesses: Unknown	Patent Dates: Applied: May 11, 1935 Granted: Jul. 14, 1936 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Illinois Iron & Bolt Co.

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