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US Patent: 194,290
Improvement in hub-borers
Patentee: Ezra Caswell (exact or similar names) - Lyons, NY USPTO Classifications: 408/111 Tool Categories: trade specific : wheelwright Assignees: None Manufacturer: Ezra Caswell - Lyons, NY Witnesses: Edwin Scott R. F. Osgood	Patent Dates: Applied: Dec. 11, 1876 Granted: Aug. 21, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ezra Caswell

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