US Patent: 289,056
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| Screwdriver
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Patentees:
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| George S. Allen (exact or similar names) - Southington, CT |
| Robert C. Ellrich (exact or similar names) - Southington, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 19, 1882 |
| Granted: |
Nov. 27, 1883 |
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Steve Gosselin
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Description: |
| The shank has a soft metal bolster cast on it which is then swaged onto handle. |
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