US Patent: 301,915
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| Screw-driver
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Patentee:
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| Christopher H. Olson (exact or similar names) - Decatur, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 01, 1884 |
| Granted: |
Jul. 15, 1884 |
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Patent Pictures:
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1 | 2
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Steve Gosselin
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Description: |
| Information taken from Clifford D. Fales' database.One of four spiral screwdriver patents by same patentee as the commonly observed DECATUR COFFIN CO. screwdriver; see patent 306,096. Earliest patent for a bi-directional spiral screwdriver. |
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