Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861826 | Aqueous polyurethane adhesive dispersions | Rainer Hummerich, Michael Kerber, Lothar Maempel | 1989-08-29 |
PW
Peter Weyland
Overall (1989): #69,106 of 140,708Top 50%
1
Patents 1989