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| All Patents in class 236/1C | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,006,306 | Jun. 25, 1935 | D.D. Wile | Apparatus and Method for Temperature Regulation | ||
| 2,110,367 | Mar. 08, 1938 | I.J. Knudson | Air Conditioning System | ||
| 2,117,529 | May 17, 1938 | D.D. Wile | Temperature Control Apparatus | ||
| 2,175,150 | Oct. 03, 1939 | L.W. Eggleston | Control Device | ||
| 2,534,251 | Dec. 19, 1950 | E.J. Dillman | Automatic Valve | ||
| 2,558,937 | Jul. 03, 1951 | E.J. Dillman | Air Conditioning System and Apparatus | ||