Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002954 | Process and apparatus for purifying silicon tetrachloride or germanium tetrachloride containing hydrogen compounds | Rainer Nicolai, Hartwig Rauleder, Jurgen Lang | 2011-08-23 |
| 4425651 | Ion laser with gas discharge vessel | Friedrich Pfeil, Eberhard Schmidt | 1984-01-10 |