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| All Patents in class 236/79 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,059,976 | Apr. 29, 1913 | W.H. Carrier | System for purifying, humidifying, and controlling the humidity of air | ||
| 2,341,789 | Feb. 15, 1944 | J.E. Justus | Cooling System for Internal Combustion Engines | cooling apparatus | |