Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621131 | Conjugated polymers having spiro centers and their use as electroluminescence materials | Willi Kreuder, Donald Lupo, Josef Salbeck, Thomas Stehlin | 1997-04-15 |
HS
Hermann Schenk
Overall (1997): #143,063 of 185,788Top 80%
1
Patents 1997