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US Patent: 142,292
Improvement in devices for operating the valves of steam-engines
Patentee: William J. Stevens (exact or similar names) - New York, NY USPTO Classifications: 137/625.25, 91/347 Tool Categories: propulsion and energy : steam engines : steam engine valve gear transportation : railroads : railroad locomotives : steam engine valve gear Assignees: William J. Stevens - New York, NY Dudley S. Steele - Jersey City, NJ Nathan Woodhull Condict, Jr. - Jersey City, NJ Manufacturer: Not known to have been produced Witnesses: Hamilton Wallis J. F. McGee	Patent Dates: Applied: May 15, 1873 Granted: Aug. 26, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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