Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695199 | Piston sealing assembly | V. Durga Nageswar Rao, Daniel Joseph German | 1997-12-09 |
| 5671532 | Method of making an engine block using coated cylinder bore liners | V. Durga Nageswar Rao, Robert Alan Rose, David A. Yeager | 1997-09-30 |