US Patent: 503,215
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Pipe Wrench
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 14, 1893 |
Granted: |
Aug. 15, 1893 |
Patent Pictures:
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Thomas H. Oxnam, James Joyce, and Joseph Francis patent August 15, 1893. |
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Stan Schulz
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Description: |
A hook jaw pipe wrench; the "finger lever" helps hold the hook jaw against the work piece, and the center shaft screws in or out to adjust for different pipe sizes. |
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