Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869983 | Sulfonyl-containing styrene derivatives and their use in electrophotographic processes | Albert Bender, Juergen Lingnau | 1989-09-26 |
DG
Dieter Guenther
Overall (1989): #120,370 of 140,708Top 90%
1
Patents 1989