Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522755 | Vehicular loudspeaker system | Glenn E. Warnaka, Michael J. Parrella | 2003-02-18 |
| 6356641 | Vehicular loudspeaker system | Glenn E. Warnaka, Michael J. Parrella | 2002-03-12 |
| 6218766 | Loudspeaker assembly | Glenn E. Warnaka | 2001-04-17 |
| 6195440 | Piezoelectric transducers | Glenn E. Warnaka | 2001-02-27 |
| 5838805 | Piezoelectric transducers | Glenn E. Warnaka | 1998-11-17 |
| 4991433 | Phase track system for monitoring fluid material within a container | Glenn E. Warnaka | 1991-02-12 |