Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799252 | Digital radio transmission system | Alfons Eizenhoffer | 1989-01-17 |
HP
Hans Preller
Overall (1989): #107,914 of 140,708Top 80%
1
Patents 1989