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US Patent: 79,540
Rotary Harrow
Patentee:
James Armstrong (exact or similar names) - Bucyrus, Crawford County, OH

USPTO Classifications:
172/349, 172/547

Tool Categories:
agricultural : harrows

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Granted: Jul. 07, 1868

Patent Pictures:
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