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US Patent: 140,414
Improvement in engine-governors
Patentee: Joshua Hendy (exact or similar names) - San Francisco, CA USPTO Classifications: 137/52, 74/2 Tool Categories: propulsion and energy : steam engines : steam engine governors Assignees: None Manufacturer: Joshua Hendy Iron Works - San Francisco, CA Witnesses: John L. Boone C. M. Richardson	Patent Dates: Applied: Apr. 07, 1873 Granted: Jul. 01, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Joshua Hendy Iron Works

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