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CA Patent: CA-838
Improvements in machines for roasting coffee and malt
Patentees:
E. W. Colley (exact or similar names) - St. Mary's, ON Canada
W. Jackson (exact or similar names) - St. Mary's, ON Canada

USPTO Classifications:

Tool Categories:
agricultural : coffee roasters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Mar. 08, 1871

Patent Pictures:
CIPO Data
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