Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372698 | Lubricant for chain conveyor belts and its use | Werner Strothoff | 2002-04-16 |
| 5565127 | Surfactant base for soapless lubricants | Alfred Laufenberg, Werner Strothoff | 1996-10-15 |