Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456851 | Electron tube having a low impedance reduced stress anode structure | — | 1984-06-26 |
| 4295077 | Circumferentially apertured cylindrical grid for electron tube | Don R. Carter, Claude E. Doner, Fred G. Hammersand | 1981-10-13 |