Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4228675 | Exhaust gas sensor electrical circuit improvement | Elmer T. Heiney, III | 1980-10-21 |
| 4228128 | Exhaust gas sensor having porous, metal-impregnated ceramic element | Michael J. Esper, Wells L. Green | 1980-10-14 |
| 4222026 | Exhaust gas sensor having two titania ceramic elements | Elmer T. Heiney, III, Wells L. Green | 1980-09-09 |
| 4208786 | Titania thermistor and method of fabricating | Michael J. Cermak | 1980-06-24 |
| 4206647 | Titania thermistor and method of fabricating | Michael J. Cermak | 1980-06-10 |