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US Patent: 715,221
Rotary Engine
Patentee: Edward C. Warren (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 418/10 Tool Categories: propulsion and energy : steam apparatus : rotary steam engines Assignees: Rotary Engine Co. - Providence, Providence County, RI Manufacturer: Rotary Engine Co. - Philadelphia, PA Witnesses: James H. Bell Elizabeth C. Mahon Arthur E. Paige	Patent Dates: Applied: Feb. 05, 1902 Granted: Dec. 02, 1902 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Rotary Engine Co.

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