Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855636 | Micromachined cold cathode vacuum tube device and method of making | Heinz H. Busta | 1989-08-08 |
| 4685996 | Method of making micromachined refractory metal field emitters | Heinz H. Busta | 1987-08-11 |