US Patent: 420,400
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| Wagon Jack
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Patentee:
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| Nathaniel Allen (exact or similar names) - Lowell, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 01, 1889 |
| Granted: |
Jan. 28, 1890 |
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Patent Pictures:
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Nathaniel Allen patent January 28, 1890 |
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Stan Schulz
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Description: |
| The two levers are of unequal length to fit a range of wheel diameters. Each of the jaw ends has nut-receiving openings. The nut receiving openings are different sizes. It is not clear whether they are merely holders or intended to also serve as wrenches.
Compare this one to pat. no. 147,916. |
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