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US Patent: 449,758
Process of Collecting the Aromatic and Volatile Substances from Coffee
Patentee:
Nicolas L. Le Turcq des Rosiers (exact or similar names) - Etain, Meuse Department, Grand Est Region, France

USPTO Classifications:
165/111, 165/DIG.207

Tool Categories:
agricultural : coffee roasters
manufacturing : manufacturing processes : roasting coffee

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 26, 1890
Granted: Apr. 07, 1891

Patent Pictures:
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Description:
Patented in France, 28 Aug., 1889, patent #200,452.

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