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US Patent: 2,020,785
Interlocked propelling and clamping means for mobile drills
Patentee: David C. Klausmeyer (exact or similar names) - Cincinnati, OH USPTO Classifications: 408/237, 408/4, 408/77, 409/900.2 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: Jan. 13, 1931 Granted: Nov. 12, 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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