US Patent: 2,645,139
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| Portable Boring Mill
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Patentees:
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| Max Beauloye (exact or similar names) - San Diego, CA |
| Henry Beauloye, Jr. (exact or similar names) - San Diego, CA |
| Alfred F. Beauloye (exact or similar names) - San Diego, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 27, 1949 |
| Granted: |
Jul. 14, 1953 |
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Joel Havens
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