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US Patent: 517,189
Apparatus for Roasting Coffee, Cocoa, &c.
Patentee: Carl A. Otto (exact or similar names) - Dresden, Saxony, Germany USPTO Classifications: 34/135, 34/147 Tool Categories: agricultural : coffee roasters agricultural : seed or nut roasters Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 05, 1893 Granted: Mar. 27, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: Patented in Germany,04 Oct., 1889, patent #51,402 and in Austria-Hungary, 27 Oct., 1890, patent #48,086.

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