Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837457 | High voltage power transistor circuits | Michael J. Bergstrom | 1989-06-06 |
DG
Derek J. Gent
Overall (1989): #120,969 of 140,708Top 90%
1
Patents 1989