US Patent: 551,311
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Wrench
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Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 19, 1895 |
Granted: |
Dec. 10, 1895 |
Patent Pictures:
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Matthew C. Gay and Joseph Heard patent December 10, 1895 |
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Stan Schulz
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Description: |
Swinging hook jaw with a leaf spring to hold it in engagement with the work piece; alternate interchangeable jaw forms are included for pipe or pipe and nuts both. |
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