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| All Patents in class 62/505 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,125,842 | Aug. 02, 1938 | L.W. Eggleston | Refrigerating Apparatus | refrigeration apparatus | |
| 3,088,042 | Apr. 30, 1963 | R.I. Robinson | Electric motor with improved cooling means | motor cooling | |
| 3,188,833 | Jun. 15, 1965 | R.I. Robinson | Electric motor with improved cooling means | motor cooling | |