US Patent: 608,735
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| Wrench
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Patentee:
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| William J. Walker (exact or similar names) - St. Louis, MO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 14, 1898 |
| Granted: |
Aug. 09, 1898 |
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Patent Pictures:
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William J. Walker patent August 9, 1898 |
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Stan Schulz
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Description: |
| The main shank has a slight taper with the narrowest portion adjacent to the fixed jaw. A tapered screw and wedge blocks with corresponding threaded tapers inside the movable jaw provide the means to set the adjustment. |
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