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US Patent: 139,387
Improvement in machines for dressing hoops
Patentee: Silas L. Heywood (exact or similar names) - Minneapolis, MN USPTO Classifications: 144/242.1, 144/246.1, 144/253.1 Tool Categories: woodworking machines : specialty woodworking machines : hoop making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 20, 1873 Granted: May 27, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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