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US Patent: 170,909
Improvement in barrel-shaping machines
Patentee: Heman S. Smith (exact or similar names) - Brooklyn, NY USPTO Classifications: 144/359, 147/5 Tool Categories: woodworking machines : specialty woodworking machines : barrel making machines trade specific : cooper Assignees: Alanson T. Briggs - New York, NY William H. Thrall - New York, NY Manufacturer: Not known to have been produced Witnesses: Robert M. Barr J. William Garner	Patent Dates: Applied: Oct. 08, 1875 Granted: Dec. 07, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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