US Patent: 34,701
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| Improved shingle machine
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Patentees:
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| C. A. Piper (exact or similar names) - Eau Claire, WI |
| William B. Estabrooks (exact or similar names) - Eau Claire, WI |
| Noah Shaw (exact or similar names) - Eau Claire, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Mar. 18, 1862 |
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Jeff Joslin
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