Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032452 | Identification of absorbent material with a thermostable colorant and process | Bernd Nowitzki, Annette Sandkuhler, Werner Duismann, Karin Muller | 1991-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032452 | Identification of absorbent material with a thermostable colorant and process | Bernd Nowitzki, Annette Sandkuhler, Werner Duismann, Karin Muller | 1991-07-16 |