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US Patent: 138,284
Improvement in universal joiners
Patentees: Joseph H. Raynard (exact or similar names) - Boston, MA Benjamin W. Hatch (exact or similar names) - Boston, MA William P. Hatch (exact or similar names) - Boston, MA USPTO Classifications: 144/138 Tool Categories: woodworking machines : cutter head machines : wood shapers Assignees: None Manufacturer: Not known to have been produced Witnesses: Carroll D. Wright Samuel M. Barton	Patent Dates: Applied: Aug. 14, 1872 Granted: Apr. 29, 1873 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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