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US Patent: 314,446
Combined Injector and Ejector
Patentee: Thomas J. Hart (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 417/162, 417/163 Tool Categories: propulsion and energy : steam apparatus : stationary boilers : feedwater apparatus Assignees: James Jenks - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jun. 04, 1884 Granted: Mar. 24, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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