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| All Patents in class 180/68.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 549,160 | Nov. 05, 1895 | G.B. Selden | Road Engine | ||
| 596,271 | Dec. 28, 1897 | F.W. Lanchester | Cooling Device for Explosive Engines | cooling apparatus | |
| 1,126,960 | Feb. 02, 1915 | G.W. Day | Tractor | tractors | |