Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829350 | Method for operating a global, virtual call center | Christel Mueller, Fred Runge, Thomas Ziem | 2004-12-07 |
| 6792324 | Device for determining and characterizing noises generated by mastication of food | — | 2004-09-14 |
| 6742713 | Access controlled system with acoustic mechanical verification transmitter | — | 2004-06-01 |