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US Patent: 137,839
Coffee Roasters
Patentee:
James Hart (exact or similar names) - Kekoskee, Dodge County, WI

USPTO Classifications:
220/200, 220/213, 220/824

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 01, 1873
Granted: Apr. 15, 1873

Patent Pictures:
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