US Patent: 641,641
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| Wrench
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Patentee:
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| Samuel S. Grove (exact or similar names) - Summit, PA |
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Patent Dates:
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| Applied: |
Aug. 10, 1898 |
| Granted: |
Jan. 16, 1900 |
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Patent Pictures:
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1 | 2
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Samuel S. Grove patent Jan. 16, 1900 |
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Stan Schulz
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Description: |
| Adjustable socket wrench for brace; the jaws slide in openings in the cross head of the central shank. The center of this construction is hollowed.
A known example of the wrench has no visible markings. |
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