Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7224640 | Underwater acoustic bearing sensor | Hikmet Andic | 2007-05-29 |
| 6072880 | Modular active silencer with port dish | Charles Renz | 2000-06-06 |
| 5848168 | Active noise conditioning system | John E. Levreault | 1998-12-08 |
| 5748749 | Active noise cancelling muffler | Scott K. Miller | 1998-05-05 |