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US Patent: 7,475
Improvement in the cutters and rakers of a grain and grass harvester
Patentees:
H. C. Bevington - Holmes County, OH
Hazard Knowles - Washington, DC

USPTO Classifications:
56/166, 56/299

Tool Categories:
agricultural machines : harvesters

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. E. H. Johnson
William P. Elliot

Patent Dates:
Granted: Jul. 02, 1850

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Hazard Knowles

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