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US Patent: 1,379,994
Method of Making Drills or the Like
Patentee: John J. Kunzer (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 228/118, 76/108.1 Tool Categories: tool making : making drills and augers Assignees: Joseph T. Ryerson & Son - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 04, 1918 Granted: May 31, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Joseph T. Ryerson & Son

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