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| All Patents in class 123/41.7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 326,141 | Sep. 15, 1885 | W.A. Oaks | Machine for inserting rivets in knife-handles | tool making machines | |
| 2,189,888 | Feb. 13, 1940 | L.E. Endsley | Thermal Control of Internal Combustion Engines | cooling apparatus | |
| 2,827,026 | Mar. 18, 1958 | C.A. Mattson, A.W. Mall | Means for cooling internal combustion engines | handheld chainsaws | |