Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801102 | Tunable filters having variable bandwidth and variable delay | Yongfei Zhu, John Kvarnstrand, Louise Sengupta | 2004-10-05 |
| 6801104 | Electronically tunable combline filters tuned by tunable dielectric capacitors | Yongfei Zhu, Yu Rong, Kenneth Hersey, Ernest Ekelman, Louise Sengupta | 2004-10-05 |
| 6724280 | Tunable RF devices with metallized non-metallic bodies | Alden Partridge, Edward Davis, John Robinson | 2004-04-20 |
| 6683513 | Electronically tunable RF diplexers tuned by tunable capacitors | Jian Xu | 2004-01-27 |