US Patent: 1,755,822
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Screw Driver and Method of Making the Same
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Patentee:
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Willis F. Hobbs (exact or similar names) - Bridgeport, Fairfield County, CT |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Feb. 03, 1828 |
Granted: |
Apr. 22, 1930 |
Patent Pictures:
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Willis F. Hobbs patent April 22, 1930 |
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Stan Schulz
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Description: |
The construction uses a screwdriver shank with side ribs and a shoulder, a metal ferrule bearing against the shoulder and a metal end cap extending partially down the handle. |
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