US Patent: 538,639
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| Wrench
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Patentees:
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| Frederick J. Bourn (exact or similar names) - Gualala, CA |
| William Reuben Hale (exact or similar names) - Gualala, CA |
| USPTO Classifications: |
| 81/75 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 26, 1895 |
| Granted: |
Apr. 30, 1895 |
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Patent Pictures:
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Frederick J. Bourn and William Reuben Hale patent April 30, 1895 |
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Stan Schulz
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Description: |
| Axle nut wrench that clamps the axle nut to the hub. The longer jaw faces of the outer jaws have concave surfaces to match the outer face of the wheel hub. |
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