Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022361 | Valve-lash adjustment system | — | 1991-06-11 |
| 4963274 | Concentrated fabric conditioners | Wulf Ruback, Werner Friedrich, Heinz Riemer, Hauke Steinhardt | 1990-10-16 |
| 4830771 | Process for the preparation of trialkanolamine di(fatty acid) esters, and the use thereof for softening fabrics | Wulf Ruback | 1989-05-16 |