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US Patent: 1,100,984
Screw-cutting tap
Patentee: William Murchey (exact or similar names) - Detroit, MI USPTO Classifications: 408/155, 425/DIG.218 Tool Categories: metalworking machines : drilling and boring : tapping heads and chucks Assignees: None Manufacturer: Murchey Machine & Tool Co. - Detroit, MI Witnesses: Charles F. Schmelz H. D. MacDonald	Patent Dates: Applied: Nov. 09, 1912 Granted: Jun. 23, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Murchey Machine & Tool Co.

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