Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318027 | High potential, low magnification electron gun | Richard H. Hughes | 1982-03-02 |
| 4234814 | Electron gun with astigmatic flare-reducing beam forming region | Richard H. Hughes | 1980-11-18 |