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US Patent: 136,152
Improvement in joiners' clamps
Patentees: Samuel F. Hay (exact or similar names) - Brooklyn, NY William H. Goodchild (exact or similar names) - Bayonne, NJ USPTO Classifications: 269/140, 269/258 Tool Categories: work holding : clamps Assignees: William H. Goodchild - Bayonne, NJ Manufacturer: Not known to have been produced Witnesses: Alfred Westbrook William C. Dey	Patent Dates: Granted: Feb. 25, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews

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