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US Patent: 308,169
Method and Device for Roasting Coffee
Patentee: Ralph S. Jennings (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 34/127, 34/517, 426/466 Tool Categories: agricultural : coffee roasters manufacturing : manufacturing processes : roasting coffee Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 19, 1883 Granted: Nov. 18, 1884 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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