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US Patent: 114,330
Improvement in Coffee Roasters
Patentee:
Augustin Obst (exact or similar names) - Cambridgeport, Middlesex County, MA

USPTO Classifications:
432/104

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 02, 1871

Patent Pictures:
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