Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11671785 | System and method for determining a location area of a mobile user | Ernst Versteeg, Eric Taillard, Maxence Laurent | 2023-06-06 |
| 10708710 | System and method for determining a location area of a mobile user | Ernst Versteeg, Eric Taillard, Maxence Laurent | 2020-07-07 |
| 10237684 | System and method for determining a location area of a mobile user | Ernst Versteeg, Eric Taillard, Maxence Laurent | 2019-03-19 |
| 9756464 | System and method for determining a location area of a mobile user | Ernst Versteeg, Eric Taillard, Maxence Laurent | 2017-09-05 |
| 9167552 | System and method for determining a location area of a mobile user | Ernst Versteeg, Eric Taillard, Maxence Laurent | 2015-10-20 |
| 8532608 | System and method for determining a location area of a mobile user | Ernst Versteeg, Eric Taillard, Maxence Laurent | 2013-09-10 |
| 6084960 | Power supply circuit using a constant current and telephone apparatus including such a circuit | — | 2000-07-04 |
| 5995619 | Telephony device with compensation for line losses | Dominique Delbecq | 1999-11-30 |
| 5631605 | Power amplifier stage supplying a rectangular signal of controlled amplitude | — | 1997-05-20 |
| 5226078 | Adjustable integrated/discrete-element line current controller in a telephone set | Jean-Pierre Coulmance | 1993-07-06 |