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US Patent: 1,666,422
Master Radial Drill Speed Box
Patentee: David C. Klausmeyer (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 184/11.1, 384/135, 74/333, 74/473.3 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms Assignees: Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Feb. 10, 1925 Granted: Apr. 17, 1928 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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