Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564061 | Cooling system for communications devices with high power losses | Ernst Form | 1986-01-14 |
| 4481621 | Service integrated digital signal transmission system | Hans-Jurgen Schmack | 1984-11-06 |
| 4439857 | Digital data transmission system | Hans-Jurgen Schmack | 1984-03-27 |