Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425821 | Iron aluminum based engine intake valves and its manufacturing method | Mohan Kurup, Roger R. Wills | 1995-06-20 |
| 5328527 | Iron aluminum based engine intake valves and method of making thereof | Mohan Kurup, Roger R. Wills | 1994-07-12 |