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| All Patents in class 305/44 | |||||
| Picture | Number | Date | Patentee | Title | |
| 219,938 | Sep. 23, 1879 | J.J. Holcombe | Endless-Track Vehicles | ||
| 288,763 | Nov. 20, 1883 | J.E. Birch | Traction Engine | ||
| 1,241,617 | Oct. 02, 1917 | J.W. Lambert, C.M. Fuller | Tractor | ||