Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816775 | Negative feedback, phase rotation, phase acquisition and tracking apparatus and method | — | 1989-03-28 |
CR
Carl R. Ryan
Overall (1989): #127,275 of 140,708Top 95%
1
Patents 1989