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| All Patents in class 305/124 | |||||
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| Number | Date | Patentee | Title | Type | |
| 217,506 | Jul. 15, 1879 | B.S. Benson | Traction Engine and Steam Plow | steam traction engines | |
| 288,763 | Nov. 20, 1883 | J.E. Birch | Traction Engine | traction engine tracks | |
| 1,398,382 | Nov. 29, 1921 | A.R. Lambert, J.W. Lambert | Chain Tread Tractor | tractors | |