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US Patent: 73,415
Improvement in steam-engines cut-offs
Patentee: Henry O. Lothrop (exact or similar names) - Milford, MA USPTO Classifications: 91/259, 91/323 Tool Categories: propulsion and energy : steam engines : steam engine governors Assignees: None Manufacturer: Lothrop, Mead & Co. - Boston, MA Lafatte Huntoon & Son - Natick, MA Witnesses: Frederick Curtis E. C. Griffith	Patent Dates: Granted: Jan. 14, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Lothrop, Mead & Co.

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