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CA Patent: CA-973
Improvements on thrashing machines
Patentee:
F. Culham (exact or similar names) - Bosanquet, ON Canada

USPTO Classifications:

Tool Categories:
agricultural : threshers and thrashers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: May 09, 1871

Patent Pictures:
CIPO Data
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