Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9327961 | Electrodynamic speaker structure having MEMS technology | Guy Lemarquand, Elie Lefeuvre, Marion Alexandra Laurence Woytasik, Johan Moulin, Fabien Jean François Parrain | 2016-05-03 |
| 8131005 | Electrodynamic transducer including a dome with a ferrofluid suspension | Guy Lemarquand, Bernard Richoux | 2012-03-06 |
| 8111870 | Electrodynamic transducer and use thereof in loudspeakers and geophones | Guy Lemarquand, Bernard Richoux | 2012-02-07 |
| 5705756 | Differential torque measuring device | Guy Lemarquand | 1998-01-06 |