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US Patent: 677,866
Apparatus for Returning Exhaust Steam to Steam Boilers
Patentee: William T. Harris (exact or similar names) - Louisville, Jefferson County, KY USPTO Classifications: 417/174, 417/175, 417/191 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : steam pumps Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 30, 1900 Granted: Jul. 09, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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