Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771348 | Personal sonic massage device and method | Alan G. Madsen | 2010-08-10 |
| 7029452 | Acoustically-driven hydrotherapy system | — | 2006-04-18 |
| 6014448 | Fluid coupled subwoofer acoustic enclosure system | — | 2000-01-11 |
| 5936209 | Fluid coupled subwoofer acoustic enclosure system with vent chamber | — | 1999-08-10 |
| 5895896 | Fluid coupled subwoofer acoustic enclosure system with port chamber | — | 1999-04-20 |
| 5695455 | Hydro-acoustic massage system and method | Alan G. Madsen | 1997-12-09 |
| 5281777 | Fluid damped acoustic enclosure system | — | 1994-01-25 |