US Patent: 797,538
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| Wrench
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Patentee:
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| Charles C. Spery (exact or similar names) - Rockford, IL |
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Patent Dates:
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| Applied: |
Jun. 08, 1905 |
| Granted: |
Aug. 15, 1905 |
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Patent Pictures:
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Charles C. Spery patent August 15, 1905 |
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Stan Schulz
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Description: |
| The adjustment means is a screw which slides a cone-shaped wedge in and out between the bases of the swinging jaws of this alligator wrench. A leaf spring between the jaws tends to hold them open.
Visible markings on a known example include "THE CRESCENT" and the patent date. |
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