Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333771 | Detergent composition with a mechanical cleaning effect | Theodor Altenschopfer, Klaus Schumann | 1982-06-08 |
| 4187121 | Clear-rinse agent for mechanical dishwashers | Claus-Peter Herold, Theodor Altenschopfer | 1980-02-05 |