Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834711 | Sound control through resonance damping | — | 1998-11-10 |
| 5824973 | Method of making sound absorbing laminates and laminates having maximized sound absorbing characteristics | Ralph Michael Fay | 1998-10-20 |
| 5459291 | Sound absorption laminate | Ralph Michael Fay | 1995-10-17 |