Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4794303 | Axisymmetric electron collector with off-axis beam injection | Johann R. Hechtel | 1988-12-27 |
| 4583021 | Electron gun with improved cathode and shadow grid configuration | Johann R. Hechtel | 1986-04-15 |
| 4307322 | Coupled cavity traveling wave tube having improved loss stabilization | Edwin G. Chaffee | 1981-12-22 |