Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697217 | Turbocharged internal combustion engine | Ian Walter Drake | 1997-12-16 |
| 5692378 | Turbocharger assembly | — | 1997-12-02 |
| 5619854 | Turbocharged internal combustion engine | Ian Walter Drake | 1997-04-15 |