Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864182 | Method of producing large-area membrane masks by dry etching | Jörg Butschke, Karl Kragler, Florian Letzkus, Christian Reuter, Reinhard Springer | 2005-03-08 |
AE
Albrecht Ehrmann
Overall (2005): #240,994 of 245,428Top 100%
1
Patents 2005