US Patent: 599,001
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| Combined Pipe and Nut Wrench
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Patentee:
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| Louis N. Leonard (exact or similar names) - Butte, MT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 17, 1897 |
| Granted: |
Feb. 15, 1898 |
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Patent Pictures:
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Louis N. Leonard patent February 15, 1898 |
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Stan Schulz
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Description: |
| The adjustment means is rack teeth on the shank of the movable jaw that engage rack teeth in the interior of the handle. The specifications note a rotating cam block to hold the adjustment but its structure is not clear in the drawings.
The main feature of the patent is the auxiliary jaw insert to add an alligator wrench type pipe grip. |
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