Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885206 | Foam composite and manufacture thereof | Onno Graalmann, Gerhard Turznik, Heinz Weber | 1989-12-05 |
GK
Guenter Kreibiehl
Overall (1989): #109,487 of 140,708Top 80%
1
Patents 1989