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US Patent: 167,166
Improvement in machines for chamfering and crozing barrels
Patentee: John Greenwood (exact or similar names) - Rochester, NY USPTO Classifications: 144/114.1, 147/15 Tool Categories: trade specific : cooper Assignees: None Manufacturer: John Greenwood & Co. - Rochester, NY Witnesses: Unknown	Patent Dates: Applied: Mar. 16, 1875 Granted: Aug. 31, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for John Greenwood & Co.

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