Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334033 | Process for the manufacture of polyurethane elastomers | Lothar Metzinger, Otmar Zipp | 1982-06-08 |
HB
Heinz Bollmann
Overall (1982): #60,202 of 81,411Top 75%
1
Patents 1982