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| All Patents in class 180/9.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 104,845 | Jun. 28, 1870 | T.F. Hall | Traction Engine | steam traction engines | |
| 380,601 | Apr. 03, 1888 | H.O. Sickler | Traction Engine | steam traction engines | |