US Patent: 73,561
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| Improvement in the Construction of Wrenches
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Patentee:
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| Hugh S. Wrightson (exact or similar names) - Baltimore, MD |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 21, 1868 |
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Patent Pictures:
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Hugh S. Wrightson Pat. Jan. 21, 1868 |
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Stan Schulz
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Description: |
| The adjustable jaw is a separate piece with teeth on an extended side which fit into corresponding teeth on the main body. The placement of the adjustable jaw is held by a rotating button, or sliding sleeve. The drawings show several alternate implementations of the patent. |
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