Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8654967 | System for conditioning echo response of loop start trunk line | Dieter Schulz, Renee Johnston, Mirjana Popovic | 2014-02-18 |
| 7738653 | Method for selecting impedance setting for loop start trunk line | Mirjana Popovic, Dieter Schulz | 2010-06-15 |
| 7693276 | Method of measuring distortion and determining residue-echo threshold in loop start trunk circuits | Renee Johnston, Mirjana Popovic, Dieter Schulz | 2010-04-06 |
| 7215762 | Method of selecting impedance setting for loop start trunk line | Mirjana Popovic, Dieter Schulz | 2007-05-08 |