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US Patent: 533,290
Direct-acting steam-engine
Patentee: James D. Gray (exact or similar names) - Baltimore, MD USPTO Classifications: 123/197.5, 123/53.1, 91/270, 91/393, 91/398, 92/12 Tool Categories: propulsion and energy : steam engines Assignees: James D. Gray - Baltimore, MD William B. Price - Baltimore, MD Abraham Sharp - Baltimore, MD Manufacturer: Not known to have been produced Witnesses: Charles B. Mann, Jr. C. Calvert Hines	Patent Dates: Applied: May 19, 1894 Granted: Jan. 29, 1895 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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