US Patent: 2,377,982
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| Grinding Machine and Method of Grinding
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Patentees:
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| Frederick J. Theler (exact or similar names) - Cincinnati, Hamilton County, OH |
| George W. Binns (exact or similar names) - Cincinnati, Hamilton County, OH |
| Jacob Decker (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: |
Dec. 24, 1942 |
| Granted: |
Jun. 12, 1945 |
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Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
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