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US Patent: 649,173
Tapping-machine
Patentee: Henry Mueller (exact or similar names) - Decatur, IL USPTO Classifications: 137/318 Tool Categories: metalworking machines : drilling and boring : tapping machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Ernest Skelley Oscar Mueller	Patent Dates: Applied: Nov. 03, 1899 Granted: May 08, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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