US Patent: 2,472,673
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Screw Driver Having Expanding Screw Holding Bit Screw holding screwdriver
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Patentee:
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Edward L. Millen (exact or similar names) - Brookline, MA |
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Patent Dates:
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Applied: |
Oct. 11, 1945 |
Granted: |
Jun. 07, 1949 |
Patent Pictures:
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Steve Gosselin
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Description: |
This a improvement of 1699306, by adding hook to the back end of the screwdriver blade which keeps the screw holding portion of the blade in the recessed position. Also possibly to protect the earlier patent. Sample marked Jiffy-Tite #6, Pat. & Pat. Pending |
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