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US Patent: 1,383,812
Ash-sifter
Patentee:
Mackintosh Hutchinson (exact or similar names) - Toronto, ON Canada

USPTO Classifications:
209/335

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Harvey Void
Otto Berroth

Patent Dates:
Applied: Jan. 02, 1919
Granted: Jul. 05, 1921

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Mackintosh Hutchinson

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