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US Patent: 69,383
Improvement in rotary engines
Patentee: Moses L. Andrew (exact or similar names) - Cincinnati, OH USPTO Classifications: 418/122, 418/134 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: None Manufacturer: Not known to have been produced Witnesses: George H. Knight James H. Layman	Patent Dates: Granted: Oct. 01, 1867 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for M. L. Andrew & Co.

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