Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773854 | Method of producing a perforated mask for particle radiation | Albrecht Ehrmann, Ernst Haugeneder, Frank-Michael Kamm, Stefan Schunck | 2004-08-10 |
AP
Alexander Petraschenko
Overall (2004): #263,595 of 270,089Top 100%
1
Patents 2004