Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4400684 | Fast response temperature sensor | Toshimoto Kushida | 1983-08-23 |
| 4396466 | Absolute pressure sensor | Robert E. Hetrick | 1983-08-02 |
| 4381224 | Step function lean burn oxygen sensor | Robert E. Hetrick | 1983-04-26 |
| 4272329 | Steady state mode oxygen sensor and method | Robert E. Hetrick | 1981-06-09 |