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US Patent: 424,157
Dust-collector
Patentees: Edward F. Woodbury (exact or similar names) - Boston, MA James A. Woodbury (exact or similar names) - Winchester, MA USPTO Classifications: 55/450 Tool Categories: woodworking machines : woodworking machine parts or accessories : waste collection mechanisms Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 05, 1888 Granted: Mar. 25, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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