US Patent: 342,643
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Wrench
Improved Socket Wrench
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Patentee:
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| Henry G. Sellman (exact or similar names) - South Lyons, MI |
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Patent Dates:
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| Applied: |
Feb. 10, 1885 |
| Granted: |
May 25, 1886 |
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Patent Pictures:
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Henry G. Sellman patent May 25, 1886 |
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Stan Schulz
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Description: |
| A rubber binding ring holds the grasping levers together at their top. The levers are spread by internal wedges as they are extended.
Ken Cope's "American Wrench Makers 1830-1930" shows a contemporary ad where Sellman is seeking sales agents for his adjustable socket wrench. |
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