Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862836 | Operation of an internal combustion engine with a pre-engine converter | Nai Y. Chen | 1989-09-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862836 | Operation of an internal combustion engine with a pre-engine converter | Nai Y. Chen | 1989-09-05 |