US Patent: 568,365
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| Wrench
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Patentee:
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| Robert McMillen (exact or similar names) - Pittsburgh, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 02, 1896 |
| Granted: |
Sep. 29, 1896 |
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Patent Pictures:
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Robert McMillen patent September 29, 1896 |
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Stan Schulz
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Description: |
| Quick adjust wrench action using a sliding rack and a gripping lever that holds the rack from moving. The mechanism is shown as it would be employed with nut, pipe or combination wrench jaw forms. |
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