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| All Patents in class 301/46 | |||||
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| Number | Date | Patentee | Title | Type | |
| 259,814 | Jun. 20, 1882 | N.W. Bushnell | Traction Engine | steam traction engines | |
| 597,594 | Jan. 18, 1898 | J. Smith, A. Smith | Traction Wheel | traction engine wheels | |