Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656514 | Method for making heterojunction bipolar transistor with self-aligned retrograde emitter profile | David C. Ahlgren, Jack O. Chu, Martin Revitz, Paul A. Ronsheim, Mary J. Saccamango | 1997-08-12 |