Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993664 | Method for producing a material for heavy metal absorption or for analytically detecting heavy metals | Wolfram Grundke, Gunther Just | 1999-11-30 |
| 5969336 | Radiation sensor arrangement for detecting the frequency of radiation impinging thereon | Roland Klinke | 1999-10-19 |