US Patent: 609,545
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| Pipe Wrench
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Patentee:
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| Daniel H. Hollingsworth (exact or similar names) - New York, NY |
| USPTO Classifications: |
| 81/99 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 16, 1898 |
| Granted: |
Aug. 23, 1898 |
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Patent Pictures:
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Daniel H. Hollingsworth patent August 23, 1898 |
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Stan Schulz
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Description: |
| Swinging hook jaw pipe wrench with a tension spring to pull the jaws closed.
Similar in appearance and operation to the JOHNSTON AUTOMATIC (Design pat. no. D24,518). |
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