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US Patent: 567,977
Center Bit
Patentee: Thomas F. Hagerty (exact or similar names) - San Francisco, San Francisco County, CA USPTO Classifications: 408/191 Tool Categories: woodworking machines : wood drilling and boring : wood drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jan. 18, 1896 Granted: Sep. 22, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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