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US Patent: 493,444
Mortising-bit
Patentee: Lyman O. Orton (exact or similar names) - Philadelphia, PA USPTO Classifications: 408/30 Tool Categories: metalworking machines : drilling and boring : drill bits woodworking tools : chisels : mortise chisels woodworking tools : hand drills : drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: Henry Howson Joseph H. Klein	Patent Dates: Applied: Aug. 29, 1892 Granted: Mar. 14, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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