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| Patents for Douglas J. Goodnick | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,315,530 | Nov. 13, 2001 | K.E. Wasch, D.J. Goodnick | Submerged Pump Having a Shaft Isolator | rotary pumps | |
| 6,617,731 | Sep. 09, 2003 | P.R. Linehan, D.J. Goodnick | Rotary Pump with Bearing Wear Indicator | rotary pumps | |