Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10583268 | Use of the modulation of a signal by a skin contact impedance for the maintenance and development of physical or mental abilities | — | 2020-03-10 |
| 6153994 | Control console | Christian Royer | 2000-11-28 |
| 5850353 | Dynamic multiple comparison digital device particularly for the real time monitoring of a plurality of signals | Christian Royer, Bernard Magnen | 1998-12-15 |
| 5764917 | Professional system for switching and bidirectional transmission with time multiplexing for high-fidelity audio-analog and audio-digital signals and control and checking signals | Christian Royer | 1998-06-09 |