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| All Patents in class 475/347 | |||||
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| Number | Date | Patentee | Title | Type | |
| 266,698 | Oct. 31, 1882 | F.F. Landis | Traction Engine | steam traction engines | |
| 306,403 | Oct. 14, 1884 | L.F. Dieter, O.W. Kelly | Traction Engine | traction engine propulsion components | |
| 492,303 | Feb. 21, 1893 | G.D. Lowry | Traction Engine | traction engine suspensions | |
| 2,544,061 | Mar. 13, 1951 | E.T. Barnett | Speed change driving head for power-driven machine | drill presses | |