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US Patent: 520,509
Spool-making machine
Patentee: John F. Wardle (exact or similar names) - Pawtucket, RI USPTO Classifications: 144/1.1, 144/14, 144/219 Tool Categories: woodworking machines : specialty woodworking machines woodworking machines : specialty woodworking machines : spool or bobbin machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: May 29, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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