Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298029 | Method for resurrecting negative electron affinity photocathodes after exposure to an oxidizing gas | John C. Bierman | 2012-10-30 |
| 8017176 | Robust activation method for negative electron affinity photocathodes | John C. Bierman | 2011-09-13 |