US Patent: 484,288
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| Wrench
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Patentee:
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| Peter Brolin (exact or similar names) - Ransom, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 31, 1892 |
| Granted: |
Oct. 11, 1892 |
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Patent Pictures:
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Peter Brolin patent October 11, 1892 |
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Stan Schulz
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Description: |
| Adjustable jaw, reversible ratchet socket wrench for railroad fish plate bolts. The tool has a frame to clamp on to the rails, and a compression spring to press the socket on to the work. |
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