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| All Patents in class 236/78A | |||||
| Number | Date | Patentee | Title | Type | |
| 1,237,470 | Aug. 21, 1917 | W.H. Carrier | Hygrostat | ||
| 2,300,838 | Nov. 03, 1942 | C.H. Dicke | Stoker motor control | motor controls | |