Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284775 | Gas sensing element and method for making same | Masao Yafuso, Mark Z. Holody, Thomas G. Hacker | 1994-02-08 |
| 5278072 | Calibration system and housing | Roxanne E. Wall | 1994-01-11 |