Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336515 | Acoustic filter with harmonic rejection | Kai Hansen | 1982-06-22 |
| 4333065 | Low reflectivity apodized surface acoustic transducer with means to prevent wavefront distortion | — | 1982-06-01 |