US Patent: 241,490
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| Pipe Wrench
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Patentee:
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| James T. Hayden (exact or similar names) - Cambridgeport, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 26, 1881 |
| Granted: |
May 17, 1881 |
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Patent Pictures:
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James T. Hayden patent May 17, 1881 |
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Stan Schulz
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Description: |
| The adjusting worm turns around the shank. The movable jaw can slightly rock on the adjusting worm, within the frame that holds the adjusting worm and movable jaw.
Improved by Hayden's Febr. 2, 1886 patent (no. 335,193). |
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