Dugan; Patrick M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dugan; Patrick M..The latest application filed is for "renewable filter".
- Dugan; Patrick M. - Lake Wylie SC
| Patent | Date |
|---|---|
| Renewable filter Grant 6,716,361 - Deibel , et al. April 6, 2 | 2004-04-06 |
| Renewable filter App 20030127402 - Deibel, Richard J. ; et al. | 2003-07-10 |
| Renewable filter with a bypass valve Grant 6,568,539 - Deibel , et al. May 27, 2 | 2003-05-27 |
| Renewable filter Grant 6,228,274 - Deibel , et al. May 8, 2 | 2001-05-08 |
| Renewable filter with a bypass valve Grant 6,221,242 - Deibel , et al. April 24, 2 | 2001-04-24 |
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