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| All Patents in class 180/209 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,038,379 | Sep. 10, 1912 | M. Jess | Traction Engine | internal combustion traction engines | |
| 1,138,996 | May 11, 1915 | G.T. Strite, F.H. Bierman | Traction-engine | tractors | |