US Patent: 617,998
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| Wrench
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Patentee:
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| Frank T. Verharen (exact or similar names) - Spencer, IA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 28, 1897 |
| Granted: |
Jan. 17, 1899 |
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Patent Pictures:
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Frank T. Verharen patent January 17, 1899 |
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Stan Schulz
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Description: |
| Quick and screw-adjust nut wrench. A groove in the adjusting sleeve allows quick adjustment when aligned with the flat narrow wrench shank. An internal torsion spring tends to "tighten" the screw adjustment, and an internal stop limits the rotation. |
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