Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592051 | Activation in a digital subscriber connection | — | 1986-05-27 |
HF
Hans-Jorg Frizlen — 1 Patent
Overall (All Time): #3,996,406 of 4,157,543Top 100%
1
Patents All Time