US Patent: 79,049
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Grinding Reaper Knives
Improved Device for Grinding Tools
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Patentee:
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| Daniel W. Ayres (exact or similar names) - Sheldon, IL |
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Patent Dates:
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| Granted: |
Jun. 23, 1868 |
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Patent Pictures:
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Joel Havens
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Description: |
| Munn & Co.-patent attorneys
Note: The photos show a different gear arrangement and the name is spelled 'Ayers' instead of Ayres.
This invention relates to a new and improved portable device for grinding tools of various kinds, but more especially for grinding the knives of the sickles of grain and grass-harvesters |
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