Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116694 | Device and method for pulling a single crystal of semiconductor material | Rolf Schmid, Werner Joedecke | 2024-10-15 |
| 4456667 | Tamperproof document and a process for producing the same | Richarda Bochow, Siegfried Eikemeier | 1984-06-26 |