Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562747 | Gas sensor electrolyte | Walter T. Symons, Kaius K. Polikarpus, Da Yu Wang, Paul Kikuchi | 2003-05-13 |
| 6544467 | Exhaust gas sensor and the method of manufacture thereof | Walter T. Symons, Kaius K. Polikarpus | 2003-04-08 |