Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861646 | Co-fired metal-ceramic package | Eric A. Barringer, Mark S. Schmidt, James D. Hodge, Richard Waack, Donald J. Kelley +2 more | 1989-08-29 |
| 4814128 | Process for making a homogeneous doped silicon nitride article | Elizabeth A. Trickett, Sophia R. Su | 1989-03-21 |