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US Patent: 2,000,421
Duplex control for radial drills
Patentees: John H. McKewen (exact or similar names) - Cincinnati, OH Augustus Marius Sosa (exact or similar names) - Cincinnati, OH Lawrence Lee Schauer (exact or similar names) - Cincinnati, OH USPTO Classifications: 173/19, 408/130, 408/14, 408/234 Tool Categories: metalworking machines : drilling and boring : drill presses : radial drill presses Assignees: Cincinnati Bickford Tool Co. - Cincinnati, OH Manufacturer: Cincinnati Bickford Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Apr. 30, 1931 Granted: May 07, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Cincinnati Bickford Tool Co.

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