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US Patent: 217,258
Coffee Roaster and Purifier
Patentees:
William T. Bown (exact or similar names) - Pittsburg, Allegheny County, PA
Samuel E. Bown (exact or similar names) - Pittsburg, Allegheny County, PA

USPTO Classifications:
34/140

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 01, 1879
Granted: Jul. 08, 1879

Patent Pictures:
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