US Patent: 1,391,242
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Screw Driver
Process For Making Hand Tools
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Patentee:
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| George P. Butler (exact or similar names) - New Haven, CT |
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Patent Dates:
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| Applied: |
Aug. 13, 1920 |
| Granted: |
Sep. 20, 1921 |
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Patent Pictures:
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Steve Gosselin
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Description: |
| This Patent pertains to attaching the blade to the handle with a interlocking bolster similar to 214785 used in the "Champion" screwdriver. Sample marked, 'Winchester Special'. |
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