Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853151 | Dispirotetradecanes | Fritz Vogtle | 1989-08-01 |
WC
Wolfgang Calaminus
Overall (1989): #42,711 of 140,708Top 35%
1
Patents 1989