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CA Patent: CA-16,180
Improvements on tonguing and grooving machines
Patentee:
Warren Spear Mayo - Ottawa, ON Canada

USPTO Classifications:

Tool Categories:
woodworking machines : cutter head machines : matchers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Rice
S. S. Cushman

Patent Dates:
Applied: Jan. 12, 1883
Granted: Jan. 23, 1883

Patent Pictures:
CIPO Data
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Description:
This patent constitutes a five-year extension to patent CA-8,362.

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