Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7140617 | Sealing ring for an intake manifold | Frank Popielas, Alexander Williamson, Rohit Ramkumar, Marsha Minkov, Colin Chen | 2006-11-28 |
| 6938877 | Valve stem seal assembly | Timothy A. Hegemier | 2005-09-06 |