US Patent: 667,852
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| Pipe Wrench
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Patentee:
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| Fred E. Sands (exact or similar names) - Cambridge, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 05, 1900 |
| Granted: |
Feb. 12, 1901 |
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Patent Pictures:
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Patent 667,875 - edited drawing |
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Stan Schulz
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Description: |
| Structural modification to the wrench in patent no. 627,075 related to using a chain rather than a strap. Sands was listed as a witness for that patent. |
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