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US Patent: 585,659
Coffee Roaster
Patentee:
Carl H. Duehring (exact or similar names) - Hoboken, Hudson County, NJ

USPTO Classifications:
34/108

Tool Categories:
agricultural : coffee roasters

Assignees:
David B. Fraser - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 17, 1896
Granted: Jul. 06, 1897

Patent Pictures:
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