US Patent: 33,223
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Pipe-Wrench
Instrument For Turning Pipe or Other Round Rods
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Patentee:
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| James A. Wilcox (exact or similar names) - Rocky Hill, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Sep. 03, 1861 |
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Patent Pictures:
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James A. Wilcox Pat. Sept. 3, 1861 |
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Stan Schulz
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Description: |
| The adjustable jaw is held in position by a screw adjusting link and by a spring.
Improved by patent no. 104,913 (June 28, 1870). |
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