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US Patent: 1,395,353
Universal Tapping Machine
Patentee: William C. Osterholm (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 269/158, 408/109, 409/219, 409/241, 470/96 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 26, 1918 Granted: Nov. 01, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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