Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863478 | Dressing agent for synthetic fibers | Ferdinand Kummeler, Ralf Miessen, Rudolf J. Klee | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863478 | Dressing agent for synthetic fibers | Ferdinand Kummeler, Ralf Miessen, Rudolf J. Klee | 1989-09-05 |