Viggers; John Stephen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Viggers; John Stephen.The latest application filed is for "drivability evaluation target levels".
- Viggers; John Stephen - Redondo Beach CA
- Viggers; John Stephen - Gardena CA
| Patent | Date |
|---|---|
| Drivability evaluation target levels Grant 8,483,904 - Viggers July 9, 2 | 2013-07-09 |
| Drivability Evaluation Target Levels App 20130079989 - Viggers; John Stephen | 2013-03-28 |
| Fuel injection control system for compressed natural gas-fueled automotive vehicle Grant 6,240,910 - Maekawa , et al. June 5, 2 | 2001-06-05 |
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