Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11768160 | Multiparameter standard solution for water-quality analysis | Brian Anthony Pellerin | 2023-09-26 |
| 7986590 | Calendar apparatus | — | 2011-07-26 |
| 5416135 | Cationic layer compounds modified with polymers | Helmut Endres, Herbert Fischer, Frido Loeffelholz, Peter Wedl, Kurt Worschech +1 more | 1995-05-16 |
| 5416141 | Cationic modified layer compounds | Helmut Endres, Frido Loeffelholz, Peter Wedl, Kurt Worschech, Guenther Geismar | 1995-05-16 |