Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792907 | Helmholtz resonator | John D. Kostun, David J. Moenssen, Christopher Shaw | 2004-09-21 |
| 6698390 | Variable tuned telescoping resonator | John D. Kostun, David J. Moenssen, Christopher Shaw | 2004-03-02 |