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| All Patents in class 417/369 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,022,739 | Feb. 27, 1962 | R.H. Prescott, G.H. Herrick | Motor and Pump Apparatus | submersible pumps | |
| 3,225,698 | Dec. 28, 1965 | D.R. Spisiak | Hermetic motor-pump construction | ||