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US Patent: 191,378
Improvement in Processes of Preparing Coffee
Patentee:
Frank Silver (exact or similar names) - San Francisco, San Francisco County, CA

USPTO Classifications:
426/285, 426/595

Tool Categories:
manufacturing : manufacturing processes : roasting coffee

Assignees:
Frank Silver - San Francisco, San Francisco County, CA
Alexander P. Adams - San Francisco, San Francisco County, CA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 31, 1876
Granted: May 29, 1877

Patent Pictures:
USPTO (New site tip)
Google Patents
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