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US Patent: 453,449
Jet or impact water-wheel
Patentee: William H. Ridgway (exact or similar names) - Coatesville, PA USPTO Classifications: 415/185, 415/202, 416/197R Tool Categories: propulsion and energy : water power : water wheels : turbine water wheels Assignees: None Manufacturer: Craig Ridgway & Son Co. - Coatesville, PA Witnesses: F. L. Campbell H. E. Williams, Jr.	Patent Dates: Applied: Jul. 10, 1890 Granted: Jun. 02, 1891 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Craig Ridgway & Son Co.

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