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US Patent: 308,169
Method and Device for Roasting Coffee
Patentee:
Ralph S. Jennings (exact or similar names) - Boston, Suffolk County, MA

USPTO Classifications:
34/127, 34/517, 426/466

Tool Categories:
agricultural : coffee roasters
manufacturing : manufacturing processes : roasting coffee

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 19, 1883
Granted: Nov. 18, 1884

Patent Pictures:
USPTO (New site tip)
Google Patents
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