US Patent: 826,728
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Pipe-Wrench
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Patentee:
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James G. Lind (exact or similar names) - Providence, RI |
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Patent Dates:
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Applied: |
Nov. 29, 1905 |
Granted: |
Jul. 24, 1906 |
Patent Pictures:
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James G. Lind patent July 24, 1906 |
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Stan Schulz
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Description: |
The adjustable pivot pin has a slot corresponding to a small retaining pin. A leaf spring works to hold the jaws in contact with the pipe.
The specifications note this is an improvement on Lind's September 8, 1891 patent (no. 459,377).
Known example marked LIND UNIVERSAL WRENCH PROVIDENCE R.I. |
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