Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319163 | Electron gun with deflection-synchronized astigmatic screen grid means | — | 1982-03-09 |
| 4318027 | High potential, low magnification electron gun | Richard H. Hughes | 1982-03-02 |