Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929721 | Ceramic filter with integrated harmonic response suppression using orthogonally oriented low-pass filter | David Robert Heine, Mark H. Ballance | 1999-07-27 |
| 5065120 | Frequency agile, dielectrically loaded resonator filter | — | 1991-11-12 |
| 5055808 | Bandwidth agile, dielectrically loaded resonator filter | Brian C. Walker | 1991-10-08 |