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US Patent: 115,228
Improvement in Coffee Roasters
Patentee:
Richard L. Mills (exact or similar names) - Springfield, Clark County, OH

USPTO Classifications:
432/139, 432/81

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: May 23, 1871

Patent Pictures:
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