Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831336 | Zero to one hundred and eight-degree active phase shifter for microwave frequencies | — | 1989-05-16 |
PD
Pierre Dautriche
Overall (1989): #68,570 of 140,708Top 50%
1
Patents 1989