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US Patent: 145,942
Improvement in machines for forcing hoops on barrels
Patentee: John Greenwood (exact or similar names) - Rochester, NY USPTO Classifications: 147/8 Tool Categories: trade specific : cooper Assignees: None Manufacturer: John Greenwood & Co. - Rochester, NY Witnesses: D. L. Johnston Patrick McIntyre	Patent Dates: Applied: Apr. 21, 1873 Granted: Dec. 30, 1873 Patent Pictures: [ 1 | 2 ] 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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