US Patent: 638,958
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| Wrench
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Patentee:
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| John H. Coes (exact or similar names) - Worcester, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 09, 1899 |
| Granted: |
Dec. 12, 1899 |
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Patent Pictures:
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John H. Coes patent Dec. 12, 1899 |
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Stan Schulz
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Description: |
| One metal supporting piece in the "knife handle" includes an angled lug engaging an angled notch in the main shank. This acts as a tightening wedge for the "screw sustaining collar."
This is the third of three successive patents exploring alternative modes of strengthening the "knife handle." |
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