Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5537479 | Dual-driver bass speaker with acoustic reduction of out-of-phase and electronic reduction of in-phase distortion harmonics | Lester M. Field | 1996-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5537479 | Dual-driver bass speaker with acoustic reduction of out-of-phase and electronic reduction of in-phase distortion harmonics | Lester M. Field | 1996-07-16 |