Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9360125 | Turbo purge valve-check valve OBD vacuum relief | Robert Douglas Jefford | 2016-06-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9360125 | Turbo purge valve-check valve OBD vacuum relief | Robert Douglas Jefford | 2016-06-07 |