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Patent number:
Patent Date:
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:
USPTO
(New site tip)
Google Patents
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