Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837400 | Polyoxymethylene molding materials having improved thermal stability, their preparation and their use | Manfred Walter, Heiner Goerrissen | 1989-06-06 |
WS
Wilhelm Schuette
Overall (1989): #43,217 of 140,708Top 35%
1
Patents 1989