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US Patent: 396,018
Drilling-machine
Patentee: Charles Marion Woolworth (exact or similar names) - Ottumwa, IA USPTO Classifications: 173/35, 173/39, 74/417, 74/841 Tool Categories: metalworking machines : drilling and boring : portable metal boring and drilling machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Sam Johnson Sumner Siberell	Patent Dates: Applied: Mar. 24, 1888 Granted: Jan. 08, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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