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All Patents in class 62/209 | |||||
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Number | Title | Classification(s) | |||
2,267,607 | Refrigerating Apparatus | 62/181, 62/183, 62/209, 62/226, 62/228.3, 62/506, 62/DIG.17 | |||
2,396,559 | Air Cooling Apparatus | 236/91F, 236/91R, 62/209, 62/215, 62/229, 62/323.1, 62/454 |