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US Patent: 597,397
Coffee Roaster
Patentee:
Emanuel Detwiler (exact or similar names) - Milwaukee, Milwaukee County, WI

USPTO Classifications:
432/104

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 28, 1897
Granted: Jan. 18, 1898

Patent Pictures:
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