Hagan; J. Mark
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hagan; J. Mark.The latest application filed is for "air filtration system control".
- Hagan; J. Mark - Tyler TX
| Patent | Date |
|---|---|
| Air inlet grille Grant D589,605 - Reedy , et al. March 31, 2 | 2009-03-31 |
| Air inlet grille Grant D588,257 - Reedy , et al. March 10, 2 | 2009-03-10 |
| Air filtration system control Grant 7,351,274 - Helt , et al. April 1, 2 | 2008-04-01 |
| Door for air filter apparatus Grant D540,930 - Reedy , et al. April 17, 2 | 2007-04-17 |
| Air filtration system control App 20070039462 - Helt; Robert W. ; et al. | 2007-02-22 |
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