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US Patent: 153,996
Improvement in stave-machines
Patentees: Calvin Albertson (exact or similar names) - Dalton, IN Ira E. Hobson (exact or similar names) - Dalton, IN John Hobson (exact or similar names) - Dalton, IN USPTO Classifications: 83/410.8, 83/733 Tool Categories: woodworking machines : specialty woodworking machines : barrel making machines trade specific : cooper Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 26, 1874 Granted: Aug. 11, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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