US Patent: 440,564
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Pipe Wrench
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Patentee:
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Glen W. Hammond (exact or similar names) - Wellsborough, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 20, 1888 |
Granted: |
Nov. 11, 1890 |
Patent Pictures:
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Glen W. Hammond patent November 11, 1890 |
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Stan Schulz
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Description: |
Self-adjusting pipe wrench; the edges of the jaw surface are rounded. |
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