Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469436 | Radiation shielding for field emitters | J. Brett Rolfson | 2002-10-22 |
| 6445123 | Composite self-aligned extraction grid and in-plane focusing ring, and method of manufacture | Kevin Tjaden | 2002-09-03 |
| 6428378 | Composite self-aligned extraction grid and in-plane focusing ring, and method of manufacture | Kevin Tjaden | 2002-08-06 |