Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861641 | Substrates with dense metal vias | Brian C. Foster | 1989-08-29 |
| 4835039 | Tungsten paste for co-sintering with pure alumina and method for producing same | Eric A. Barringer, Brian C. Foster, James D. Hodge | 1989-05-30 |