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| All Patents in class 122/490 | |||||
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| Number | Date | Patentee | Title | Type | |
| 168,600 | Oct. 11, 1875 | J.H. Bange | Road Engine | steam road engines | |
| 355,940 | Jan. 11, 1887 | W.L. Leland | Traction Engine | traction engine propulsion components | |