US Patent: 113,344
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Drill-stock
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Patentee:
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William H. Rand (exact or similar names) - Brooklyn, NY |
USPTO Classifications: |
74/89 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Apr. 04, 1871 |
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Steve Gosselin
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Description: |
This patent is an improvement on the watchmaker's drill of patent 81,450. |
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