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US Patent: D83,743
Machine Tool
Patentees: Alexander Oberhoffken (exact or similar names) - Rockford, Winnebago County, IL Earl M. Bowen (exact or similar names) - Rockford, Winnebago County, IL USPTO Classifications: D15/127, D15/131 Tool Categories: metalworking machines : milling machines Assignees: Ingersoll Milling Machine Co. - Rockford, Winnebago County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 03, 1930 Granted: Mar. 24, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ingersoll Milling Machine Co.

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