US Patent: 715,980
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| Wrench
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Patentees:
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| Omer P. Case (exact or similar names) - Canandaigua, NY |
| Thomas Y. Vincent (exact or similar names) - Canandaigua, NY |
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Patent Dates:
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| Applied: |
Jan. 25, 1902 |
| Granted: |
Dec. 16, 1902 |
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Patent Pictures:
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Case & Vincent Pat. Dec. 16, 1902 |
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Stan Schulz
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Description: |
| A concealed roller and a second slideable spring-loaded transverse pin within the movable jaw create a "pinching" effect to hold the adjustment against pressure. |
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