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US Patent: 54,090
Improvement in cut-off valves
Patentees: Stephen Wilcox, Jr. (exact or similar names) - Providence, RI George H. Babcock (exact or similar names) - Providence, RI USPTO Classifications: 91/255, 91/259, 91/304, 91/310 Tool Categories: propulsion and energy : steam engines : steam engine valves Assignees: None Manufacturer: Babcock, Wilcox & Co. - Providence, RI Witnesses: John D. Thurston Benjamin F. Thurston	Patent Dates: Granted: Apr. 24, 1866 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Babcock, Wilcox & Co.

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