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| All Patents in class 137/601.14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,432,859 | Dec. 16, 1947 | F.Y. Carter | Refrigerant Flow Controlling Means | flow controls | |
| 2,461,328 | Feb. 08, 1949 | W.S. Landon | Controlling Means and System | flow controls | |