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| All Patents in class 301/47 | |||||
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| Number | Date | Patentee | Title | Type | |
| 202,429 | Apr. 16, 1878 | M. Fortin | Traction Engine | steam traction engines | |
| 1,120,946 | Dec. 15, 1914 | J.W. Lambert | Traction Wheel Cleat | traction engine wheels | |