Dvorak; Sarah Lynn
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dvorak; Sarah Lynn.The latest application filed is for "fluid flow control valve with bi-directional shutoff".
- Dvorak; Sarah Lynn - Ames IA
| Patent | Date |
|---|---|
| Fluid flow control valve with high temperature bi-directional shutoff Grant 7,484,710 - Koester , et al. February 3, 2 | 2009-02-03 |
| Fluid flow control valve with bi-directional shutoff Grant 6,974,121 - Koester , et al. December 13, 2 | 2005-12-13 |
| Fluid flow control valve with bi-directional shutoff App 20030178595 - Koester, David John ; et al. | 2003-09-25 |
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