Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506072 | Regeneration of caffeine-loaded activated carbon with hot water | Manfred Gehrig, Manfred Barthels | 1985-03-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506072 | Regeneration of caffeine-loaded activated carbon with hot water | Manfred Gehrig, Manfred Barthels | 1985-03-19 |