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US Patent: 909,437
Tapping Machine
Patentee: Charles Arthur Mercier (exact or similar names) - Catford, Kent County, England USPTO Classifications: 408/14, 408/73, 470/181, 470/182, 74/377 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 30, 1907 Granted: Jan. 12, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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