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US Patent: 204,416
Improvement in bit-stocks
Patentee: Quimby S. Backus (exact or similar names) - Holyoke, MA USPTO Classifications: 279/42 Tool Categories: woodworking tools : braces : brace chucks Assignees: None Manufacturer: Not known to have been produced Witnesses: William G. White J. P. Buckland	Patent Dates: Applied: Nov. 21, 1877 Granted: Jun. 04, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Kirk Eppler
Description: Jaws integral with frame of brace; closed via tapered thread

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