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US Patent: RE740
Improvement in governors for steam-engines
Patentee: Charles T. Porter (exact or similar names) - New York, NY USPTO Classifications: 73/537 Tool Categories: propulsion and energy : steam engines : steam engine governors Assignees: None Manufacturer: Ormerod, Grierson & Co. - Manchester, England Charles T. Porter - New York, NY Witnesses: M. M. Livingston Henry T. Brown	Patent Dates: Granted: Jun. 21, 1859 Reissue Information: Reissue of 20,894 (Jul. 13, 1858) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ormerod, Grierson & Co. Vintage Machinery entry for Charles. T. Porter; Porter-Allen Engine Co.

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