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US Patent: 250,047
Bit-stock
Patentee: Quimby S. Backus (exact or similar names) - Holyoke, MA USPTO Classifications: 81/31 Tool Categories: woodworking tools : braces : ratchet braces Assignees: None Manufacturer: Quimby S. Backus Co. - Holyoke, MA Witnesses: C. J. Munn John H. Stout	Patent Dates: Applied: Dec. 02, 1879 Granted: Nov. 29, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Kirk Eppler

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