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US Patent: 1,571,893
Radial Drill Column Clamp
Patentees: David C. Klausmeyer (exact or similar names) - Cincinnati, Hamilton County, OH Rowland L. Rickwood (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 408/236, 408/237 Tool Categories: metalworking machines : drilling and boring : drill presses : radial drill presses Assignees: Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 15, 1922 Granted: Feb. 02, 1926 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Bickford Tool Co.

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