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| All Patents in class 305/15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,063,364 | Jun. 03, 1913 | A.O. Lombard | Traction-engine | traction engine tracks | |
| 1,234,355 | Jul. 24, 1917 | A.O. Lombard | Tractor-truck | heavy vehicles | |
| 1,774,835 | Sep. 02, 1930 | A.O. Lombard | Traction device | tracks | |