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US Patent: 2,341,383
Precision Boring Machine
Patentee: Wallace J. S. Johnson (exact or similar names) - Berkley, Alameda County, CA USPTO Classifications: 408/21, 74/815 Tool Categories: metalworking machines : drilling and boring : horizontal boring mills Assignees: Kearney & Trecker Corp. - West Allis, Milwaukee County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 26, 1940 Granted: Feb. 08, 1944 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Kearney & Trecker Co.

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