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US Patent: 270,373
Coffee Roaster
Patentee:
Carl Bertling (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
366/328.1, 366/328.3

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 17, 1882
Granted: Jan. 09, 1883

Patent Pictures:
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