Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221875 | High resolution cathode-ray tube with high bandwidth capability | — | 1993-06-22 |
| 5077498 | Pinched electron beam cathode-ray tube with high-voltage einzel focus lens | — | 1991-12-31 |
| 5028838 | Grid assemblies for use in cathode ray tubes | Dennis D. Askew, Donald C. Bomberger | 1991-07-02 |
| 4977348 | Electron discharge tube with bipotential electrode structure | — | 1990-12-11 |
| 4899091 | Cathode-ray-tube astigmatism correction apparatus | — | 1990-02-06 |
| 4853601 | Multiple beam electron discharge tube having bipotential acceleration and convergence electrode structure | — | 1989-08-01 |
| 4672276 | CRT astigmatism correction apparatus with stored correction values | Barry A. McKibben | 1987-06-09 |
| 4665340 | Cathode-ray-tube electrode structure having a particle trap | Dennis D. Askew, Evan Jaqua | 1987-05-12 |
| 4500809 | Electron gun having a low capacitance cathode and grid assembly | Dennis D. Askew | 1985-02-19 |