US Patent: 393,420
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| Screw Driver
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Patentee:
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| Felix Chantrell (exact or similar names) - Reading, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 19, 1888 |
| Granted: |
Nov. 27, 1888 |
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Patent Pictures:
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Felix Chantrell patent November 27, 1888 |
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Stan Schulz
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Description: |
| The patent is for the method of attaching the screwdriver shank to the handle by use of a sleeve with an exterior gripping surface, and fixed to the shank by rust or "shrink fit." |
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