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| All Patents in class 62/211 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,242,334 | May 20, 1941 | D.D. Wile | Refrigerating System | ||
| 2,297,872 | Oct. 06, 1942 | E.J. Dillman, W.E. Cowley, F.Y. Carter | Control Apparatus | ||
| 2,538,861 | Jan. 23, 1951 | F.Y. Carter | Refrigeration Expansion Valve | ||
| 2,564,421 | Aug. 14, 1951 | F.Y. Carter | Flow Control Valve for Refrigeration Systems | ||