Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798811 | Combination preparation | Hans D. Lehmann, Rolf Kretzschmar | 1989-01-17 |
KH
Klaus Hahn
Overall (1989): #86,714 of 140,708Top 65%
1
Patents 1989