Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364761 | Ceramic filters for diesel exhaust particulates and methods for making | Carl F. Schaefer, William J. Johnston | 1982-12-21 |
| 4312770 | Thick film resistor paste and resistors therefrom | Ruey J. Yu | 1982-01-26 |