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US Patent: 377,443
Coffee Roaster
Patentee:
Otto Walden (exact or similar names) - Wheeling, Ohio County, WV

USPTO Classifications:
34/179, 366/303, 366/325.4, 432/240

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 24, 1887
Granted: Feb. 07, 1888

Patent Pictures:
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