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US Patent: 107,665
Improvement in blowers
Patentee: William S. Colwell (exact or similar names) - Pittsburgh, PA USPTO Classifications: 415/124, 415/204, 415/98, 55/400, 55/467 Tool Categories: woodworking machines : woodworking machine parts or accessories : waste collection mechanisms industrial machines : blowers Assignees: None Manufacturer: Not known to have been produced Witnesses: J. W. Govier E. N. Colwell	Patent Dates: Granted: Sep. 27, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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