US Patent: 132,804
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| Improvement in Lathe Dogs
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Patentees:
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| Edward Cliff (exact or similar names) - South St. Louis, MO |
| Orville A. Haynes (exact or similar names) - South St. Louis, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Nov. 05, 1872 |
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Joel Havens
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Description: |
| Knight & brothers - patent attorneys
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