US Patent: 459,559
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| Pipe-Wrench
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Patentee:
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| Thomas Bird (exact or similar names) - Brooklyn, NY |
| USPTO Classifications: |
| 81/99 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 18, 1889 |
| Granted: |
Sep. 15, 1891 |
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Patent Pictures:
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Thomas Bird patent September 15, 1891 |
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Stan Schulz
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Description: |
| A compression coil spring positions the pivoted hook jaw. The threaded movable jaw is adjusted by a milled ring nut. The parts were to be made by drop forging. |
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