Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605131 | Integrated active noise control with self-cleaning filter apparatus | James Vanderveen | 2003-08-12 |
| 6557665 | Active dipole inlet using drone cone speaker driver | Richard McWilliam | 2003-05-06 |