Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400297 | Method and a system for testing capacitive, acoustic transducers | — | 1995-03-21 |
| 5136656 | Probe microphone | Ole Schultz | 1992-08-04 |
| 4777650 | Dual cavity pressure microphones | — | 1988-10-11 |
| 4715219 | Acoustic calibration device | — | 1987-12-29 |
| 4582961 | Capacitive transducer | — | 1986-04-15 |