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| All Patents in class 62/434 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,177,852 | Oct. 31, 1939 | D.D. Wile | Refrigerating Apparatus | ||
| 2,266,965 | Dec. 23, 1941 | L.W. Eggleston | Refrigerating Apparatus | ||