Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801902 | Waveguide circulator with I/O port impedance matching produced by ferrite-port gap dimensioning | John C. Hoover | 1989-01-31 |
| 4697158 | Reduced height waveguide circulator | John C. Hoover | 1987-09-29 |