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, Wilhelm Schuette | 1989-06-06 |
HG
Heiner Goerrissen
Overall (1989): #106,939 of 140,708Top 80%
1
Patents 1989