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CA Patent: CA-219,706
Ash sifter
Patentee:
Mackintosh Hutchinson (exact or similar names) - Toronto, ON Canada

USPTO Classifications:

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jun. 20, 1922

Patent Pictures:
CIPO Data
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