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| All Patents in class 236/35.2 | |||||
| Number | Date | Patentee | Title | Type | |
| 596,271 | Dec. 28, 1897 | F.W. Lanchester | Cooling Device for Explosive Engines | cooling apparatus | |
| 2,827,026 | Mar. 18, 1958 | C.A. Mattson, A.W. Mall | Means for cooling internal combustion engines | handheld chainsaws | |