US Patent: 2,308,854
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| Abrasive Article
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Patentee:
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| Carl E. Barnes (exact or similar names) - Cambridge, Middlesex County,, MA |
| Assignees: |
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Norton Co. - Worcester, Worcester County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 25, 1941 |
| Granted: |
Jan. 19, 1943 |
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Joel Havens "Vintage Machinery" entry for Norton Co.
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Description: |
| Application in Great Britain, 28 Jun 1938. |
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