US Patent: 466,157
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| Spanner Wrench
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Patentee:
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| Frank S. Cook (exact or similar names) - Chicago, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 16, 1891 |
| Granted: |
Dec. 29, 1891 |
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Patent Pictures:
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Frank S. Cook patent December 29, 1891 |
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Stan Schulz
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Description: |
| "One of the diverging jaws is provided with a supplementary or slide jaw susceptible of convenient and quick adjustment to vary the space between it and the opposing divergent jaw..."
The assignee name was corrected effective January 5, 1892. |
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