US Patent: 382,799
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| Pipe Wrench
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Patentee:
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| Robert Copland (exact or similar names) - Eureka, CA |
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Patent Dates:
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| Applied: |
Jan. 18, 1888 |
| Granted: |
May 15, 1888 |
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Patent Pictures:
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Robert Copland Patent May 15, 1888 |
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Stan Schulz
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Description: |
| The distinctive feature of this hook-jaw pipe wrench is the series of notches forming multiple pivot points for the swinging jaw, and the retaining strap to hold the pivot in the selected notch.
The wrench was updated by Thomas Ryan's Oct. 2, 1900 patent (no. 658,962). |
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