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US Patent: 193,951
Joiners' Clamp Improvement in Clamps for Carpenters and Cabinet Makers
Patentee: William Heckert (exact or similar names) - Providence, RI USPTO Classifications: 269/146, 269/208, 269/246 Tool Categories: work holding : clamps Assignees: None Manufacturer: Not known to have been produced Witnesses: H W Hubbard E W Woodley	Patent Dates: Applied: Jan. 02, 1877 Granted: Aug. 07, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Carl Matthews

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