Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814510 | Novel benzaldehyde derivatives, their preparation, and their use | Dieter Degner, Walter Gramlich | 1989-03-21 |
HH
Heinz Hannebaum
Overall (1989): #106,881 of 140,708Top 80%
1
Patents 1989