Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131052 | Mid-range loudspeaker assembly propagating forward and backward sound waves in phase | John F. Goad, Barry S. Goldfarb | 1992-07-14 |
| 5129006 | Electronic audio signal amplifier and loudspeaker system | John F. Goad, Barry S. Goldfarb | 1992-07-07 |
| 5027411 | High frequency loudspeaker | — | 1991-06-25 |
| 4949386 | Speaker system | — | 1990-08-14 |
| 4928312 | Acoustic transducer | — | 1990-05-22 |