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US Patent: 288,403
Boring-machine
Patentee: Hibbard T. Bowen (exact or similar names) - Philadelphia, PA USPTO Classifications: 408/234 Tool Categories: woodworking machines : joint making machines : portable timber borers woodworking machines : wood drilling and boring : portable timber borers Assignees: Hibbard T. Bowen - Philadelphia, PA Philemon P. Bowles - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: John A. Wiedersheim Elwood S. Linn	Patent Dates: Applied: Apr. 21, 1883 Granted: Nov. 13, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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