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US Patent: 620,355
Coffee Roasting Machine
Patentee:
Ellis M. Potter (exact or similar names) - New York, NY

USPTO Classifications:
34/606, 34/88, 432/105

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 09, 1898
Granted: Feb. 28, 1899

Patent Pictures:
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