Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319929 | Catalytic converter system | William A. Whittenberger | 1994-06-14 |
| 5288470 | Metal substrate having an insulating barrier | William B. Retallick, Raymond J. Gorte | 1994-02-22 |