Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584039 | Multi-mode pipe projector | Christopher John A. Purcell | 2003-06-24 |
| 6567342 | Flared wave-guide projector | Christopher John A. Purcell | 2003-05-20 |
| 6567343 | Flextensional resonant pipe projector | Christopher John A. Purcell | 2003-05-20 |