US Patent: 614,247
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| Grinding Machine
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Patentees:
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| Edward T. Goodhew (exact or similar names) - Covington, Kenton County, KY |
| Hugo Goldsmith (exact or similar names) - Cincinnati, Hamilton County, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 27, 1897 |
| Granted: |
Nov. 15, 1898 |
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Joel Havens
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