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US Patent: 250,578
Coffee Roaster
Patentee: George W. Richmond (exact or similar names) - Washington, DC USPTO Classifications: 34/389, 366/227, 366/228, 366/234, 426/294, 426/309, 426/507, 426/595 Tool Categories: agricultural : coffee roasters agricultural : seed or nut roasters Assignees: George W. Richmond - Washington, DC James A. Sweeny - Washington, DC Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 07, 1881 Granted: Dec. 06, 1881 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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