Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654680 | Saw-based ladder filter including multiple coUpling coefficients (K.sup.2), Method therefor and radio incorporating same | Ali-Reza Baghai-Wadji, David Penunuri | 1997-08-05 |
| 5632909 | Filter | Donald E. Allen, David Stumbo | 1997-05-27 |
| 5603098 | Integrated radiating and coupling device for duplex communications | — | 1997-02-11 |
| 5600287 | Acoustic wave filter with reduced bulk-wave scattering loss, ladder filter incorporating same and method | Thomas S. Hickernell, David Penunuri | 1997-02-04 |