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US Patent: 187,757
Improvement in machines for jointing staves
Patentees: James Hazard (exact or similar names) - Rochester, NY John Greenwood (exact or similar names) - Rochester, NY USPTO Classifications: 147/32 Tool Categories: woodworking machines : specialty woodworking machines : barrel making machines trade specific : cooper Assignees: None Manufacturer: Not known to have been produced Witnesses: R. F. Osgood Edwin Scott	Patent Dates: Applied: Dec. 11, 1876 Granted: Feb. 27, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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