US Patent: 1,049,649
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Screw Driver
Improvement in Screwdriver Handles
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Patentee:
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| Rueben B. Benjamin (exact or similar names) - Chicago, IL |
| USPTO Classifications: |
| 81/28 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 27, 1910 |
| Granted: |
Jan. 07, 1913 |
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Steve Gosselin
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Description: |
| Handle that allows the top to rotate when using light pressure. The top locks to the lower half when more torque is needed by applying pressure to the top of the handle.Benjamin had two screwdriver patents issued consecutively on this date,1049649 and 1049650, both similar in design. |
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