Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929091 | Planar diaphragm loudspeaker and related methods | Alejandro Bertagni, Alfredo D. Ferrin | 2005-08-16 |
| 6721436 | Remote edge-driven panel speaker | Alejandro Bertagni | 2004-04-13 |
| 6578808 | Mounting assembly for mounting a device in a barrier | Alejandro Bertagni, Richard K. Jung, Joie L. Puckett, Dennis L. Grudt | 2003-06-17 |
| 5991424 | Planar diaphragm speaker with heat dissipator | Alejandro Bertagni | 1999-11-23 |
| 5693917 | Planar diaphragm loudspeaker | Alejandro Bertagni, James Schuessler, Alfredo D. Ferrin | 1997-12-02 |
| 5615275 | Planar diaphragm loudspeaker with counteractive weights | — | 1997-03-25 |
| 5539835 | Planar-type loudspeaker with dual density diaphragm | Alejandro Bertagni, Alfredo D. Ferrin | 1996-07-23 |
| 5425107 | Planar-type loudspeaker with dual density diaphragm | Alejandro Bertagni, Alfredo D. Ferrin | 1995-06-13 |