US Patent: 1,411,471
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| Pipe Wrench
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Patentee:
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| Ebenezer H. Booth (exact or similar names) - Binghamton, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 21, 1921 |
| Granted: |
Apr. 04, 1922 |
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Patent Pictures:
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Ebenezer H. Booth patent April 4, 1922 |
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Stan Schulz
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Description: |
| The movable jaw has rack teeth to engage teeth on a curved surface on the main shank, and a spring tips the jaw into "engaged" position. A cam lever sets the size adjustment. |
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