US Patent: 390,402
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| Pipe Wrench
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Patentee:
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| James Rose (exact or similar names) - Franklin, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 21, 1888 |
| Granted: |
Oct. 02, 1888 |
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Patent Pictures:
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James Rose patent October 2, 1888 |
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Stan Schulz
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Description: |
| The frame holding the screw adjustment and the movable jaw attaches to the main bar at a single point. A spring on the main shank connects to the base of the adjusting screw. |
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