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US Patent: 117,410
Improvement in concaves for thrashing-machines
Patentee:
Charles S. Hall (exact or similar names) - Rochester, NY

USPTO Classifications:
460/110, 460/122

Tool Categories:
agricultural : threshers and thrashers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. H. Clark
F. H. Clement

Patent Dates:
Granted: Jul. 25, 1871

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Frank H. Clement

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