Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933797 | Adaptive dual filter echo cancellation | Claes Hammar, Tonu Trump | 1999-08-03 |
SH
Stefan Håakansson
Overall (All Time): #3,656,185 of 4,157,543Top 90%
1
Patents All Time