Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5725815 | Foam control agents for the food, paint and paper industries | Horst-Werner Wollenweber, Hans-Juergen Sladek, Heinz-Guenther Schulte, Wolfgang Gress, Ulrich Eicken +2 more | 1998-03-10 |
| D313381 | Bicycle | — | 1991-01-01 |