US Patent: 67,826
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| Improvement in drilling-machines
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Patentees:
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| A. F. Lepper (exact or similar names) - Port Clinton, OH |
| W. F. Peiffer (exact or similar names) - Port Clinton, OH |
| Daniel Warner (exact or similar names) - Port Clinton, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Aug. 13, 1867 |
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Jeff Joslin
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