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| All Patents in class 280/124.121 | |||||
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| Number | Date | Patentee | Title | Type | |
| 404,157 | May 28, 1889 | E.M. Birdsall | Traction Engine | steam traction engines | |
| 628,720 | Jul. 11, 1899 | H.A. Moyer | Spring-vehicle | ||