Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6526948 | Apparatus for diagnosing failures and fault conditions in a fuel system of an internal combustion engine | Stephen T. West, Shyamala Raghunathan | 2003-03-04 |
| 6076504 | Apparatus for diagnosing failures and fault conditions in a fuel system of an internal combustion engine | Stephen T. West, Shyamala Raghunathan | 2000-06-20 |
| 5937826 | Apparatus for controlling a fuel system of an internal combustion engine | David A. Olson, Keith L. Musser, Stephen T. West, Shyamala Raghunathan | 1999-08-17 |