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US Patent: 2,089,228
Combination drilling and tapping control
Patentees: John H. McKewen (exact or similar names) - Cincinnati, OH Lawrence Lee Schauer (exact or similar names) - Cincinnati, OH USPTO Classifications: 408/9, 470/181, 470/96 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: Cincinnati Bickford Tool Co. - Cincinnati, OH Manufacturer: Cincinnati Bickford Tool Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Feb. 08, 1936 Granted: Aug. 10, 1937 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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