US Patent: 647,937
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| Pipe Wrench
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Patentee:
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| Porte M. Bradley (exact or similar names) - Cripple Creek, CO |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 20, 1900 |
| Granted: |
Apr. 24, 1900 |
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Patent Pictures:
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Porte M. Bradley patent April 24, 1900 |
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Stan Schulz
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Description: |
| The patented features include the angled jaw on the main shank, the spring that pushes the movable jaw toward the fixed jaw, the circular "block" for the adjusting nut, and the circular enlargement for that "block." |
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