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US Patent: 307,710
Drilling-machine
Patentee: Ferdinand J. Dubrul (exact or similar names) - Columbus, OH USPTO Classifications: 408/98, 409/219, 74/625, 81/34 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: None Manufacturer: Not known to have been produced Witnesses: Henry Olnhausen Peter Herman	Patent Dates: Applied: Mar. 07, 1884 Granted: Nov. 04, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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