Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718932 | Lightweight engine poppet valve | Majo Cecur, Marco Querio, Sinharoy Shubhayu, Jose F. Masello | 2004-04-13 |
| 6676724 | Powder metal valve seat insert | Yushu Wang, Heron Rodrigues | 2004-01-13 |