US Patent: 2,486,254
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| Control mechanism for electrically driven tools
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Patentees:
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| Joseph C. Zivny (exact or similar names) - Chicago, IL |
| Theodore S. Briskin (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Nov. 10, 1944 |
| Granted: |
Oct. 25, 1949 |
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Jeff Joslin
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Description: |
| The main component of the invention is a multi-speed gear-shifting mechanism.We have a report of this drill labeled as a Sears Craftsman, Model no. 117.2102. |
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