Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8707689 | Exhaust system for an internal combustion engine | James Stewart Grant, Louis Walch, Adam Weidauer | 2014-04-29 |
| 8671671 | Exhaust system for an internal combustion engine | Louis Walch | 2014-03-18 |
| 6837233 | System for enhancing performance of an internal combustion engine | — | 2005-01-04 |
| 6260547 | Apparatus and method for improving the performance of a motor vehicle internal combustion engine | — | 2001-07-17 |
| 6044696 | Apparatus for testing and evaluating the performance of an automobile | — | 2000-04-04 |