US Patent: 973
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Annular saw for sawing timber
Grant's annular saw
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Patentee:
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| Robert Grant (exact or similar names) - Baltimore, MD |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 08, 1838 |
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Patent Pictures:
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Jeff Joslin
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Description: |
| Invention is for a circular saw where all but the rim of the saw is cut away. The saw is driven and guided by beveled rollers. For a description of why someone might want a saw like this, see the description for patent 86,407.Other annular-saw patents include patent 86,407, patent 108,370, and patent 112,156. |
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