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US Patent: 195,182
Exhaust Fans or Blowers
Patentee: Benjamin F. Sturtevant (exact or similar names) - Boston, MA USPTO Classifications: 415/182.1 Tool Categories: industrial machines : blowers Assignees: None Manufacturer: Not known to have been produced Witnesses: G. W. Gregory S. B. Kidder	Patent Dates: Applied: Jul. 30, 1877 Granted: Sep. 11, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for B. F. Sturtevant

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