US Patent: 1,587,407
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| Wrench
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Patentee:
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| James Dennis O'Brien (exact or similar names) - Brooklyn, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 19, 1925 |
| Granted: |
Jun. 01, 1926 |
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Patent Pictures:
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James Dennis O'Brien patent June 1, 1926 |
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Stan Schulz
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Description: |
| The ends of the jaws are "T" shaped, and are held apart by a spring. Pushing the handle toward the jaws closes the jaws. This wrench for taps and small nuts would operate similar to a screwdriver. |
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