Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8131005 | Electrodynamic transducer including a dome with a ferrofluid suspension | Guy Lemarquand, Valerie Lemarquand | 2012-03-06 |
| 8111870 | Electrodynamic transducer and use thereof in loudspeakers and geophones | Guy Lemarquand, Valerie Lemarquand | 2012-02-07 |