Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634342 | Iron oxide pigments containing Al | Kai BUETJE, Christine Kathrein, Carsten Rosenhahn, Juergen Kischkewitz, Ulrich Meisen | 2023-04-25 |
| 8844413 | Method of making a die-cut foam object | — | 2014-09-30 |
| 7141169 | Method and apparatus for biosustaining waste activated vermicular environment | — | 2006-11-28 |
| 4556679 | Earthworm irritant | — | 1985-12-03 |