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| All Patents in class 301/131 | |||||
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| Number | Date | Patentee | Title | Type | |
| 128,127 | Jun. 18, 1872 | R. Daniels | Improvement in axles for vehicles | ||
| 521,988 | Jun. 26, 1894 | C. Quast | Traction Engine | traction engine propulsion components | |