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US Patent: 145,304
Improvement in rotary steam-engines
Patentee: William F. Moody (exact or similar names) - Chicago, IL USPTO Classifications: 418/270 Tool Categories: propulsion and energy : steam engines Assignees: Charles L. Ames - Chicago, IL Abel H. Frost - Chicago, IL William F. Moody - Chicago, IL Manufacturer: Ames & Frost - Chicago, IL Witnesses: J. H. Elliott G. L. Chapin	Patent Dates: Applied: Jul. 03, 1873 Granted: Dec. 09, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Ames & Frost

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