Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802219 | Method and apparatus for distorting a speech signal | — | 1989-01-31 |
PT
Per Tjerlund
Overall (1989): #31,998 of 140,708Top 25%
1
Patents 1989