Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047829 | Monolithic p-i-n diode limiter | David J. Seymour, David D. Heston | 1991-09-10 |
| 4810980 | Matched variable attenuation switched limiter | David D. Heston, David J. Seymour | 1989-03-07 |
| 4658220 | Dual-gate, field-effect transistor low noise amplifier | David D. Heston, David J. Seymour | 1987-04-14 |
| 4614915 | Monolithic series feedback low noise FET amplifier | David D. Heston | 1986-09-30 |
| 4549197 | Common-gate GaAs FET design for monolithic microwave integrated circuits | Gailon E. Brehm | 1985-10-22 |
| 4525678 | Monolithic low noise common-gate amplifier | Gailon E. Brehm, David J. Seymour | 1985-06-25 |