Hagen; Michael James
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hagen; Michael James.The latest application filed is for "high efficiency low-pollution engine".
- Hagen; Michael James - Irvine CA
| Patent | Date |
|---|---|
| High efficiency low-pollution engine Grant 6,026,568 - Atmur , et al. February 22, 2 | 2000-02-22 |
| High-efficiency, low-pollution engine Grant 5,638,779 - Atmur , et al. June 17, 1 | 1997-06-17 |
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