Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D371367 | Mid-range tweeter | — | 1996-07-02 |
| 5245669 | Electroacoustic transducer | — | 1993-09-14 |
| 4996713 | Electroacoustic piezoelectric transducer having a broad operating range | — | 1991-02-26 |
| 4845776 | Piezoelectric transducer and transformer circuit | — | 1989-07-04 |
| D289041 | Tweeter | — | 1987-03-31 |