Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339292 | Acoustic transducer | William J. Brown, Bogdan Cherek | 1994-08-16 |
| D344682 | Instrument housing | William J. Brown, Ian F. Norton | 1994-03-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339292 | Acoustic transducer | William J. Brown, Bogdan Cherek | 1994-08-16 |
| D344682 | Instrument housing | William J. Brown, Ian F. Norton | 1994-03-01 |