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US Patent: 928,780
Tapping attachment for drilling-machines
Patentee: Robert Milne (exact or similar names) - Rockford, IL USPTO Classifications: 470/182, 74/377 Tool Categories: metalworking machines : drilling and boring Assignees: Rockford Drilling Machine Co. - Rockford, IL Manufacturer: Rockford Drilling Machine Co. - Rockford, IL Witnesses: Pierson W. Banning William P. Bond Samuel W. Banning Samuel H. Reck	Patent Dates: Applied: Feb. 04, 1908 Granted: Jul. 20, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Rockford Drilling Machine Co.

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