Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323492 | Plasticizer containing polyvinyl alcohol granules | Wolfgang Zimmermann | 1982-04-06 |
AH
Albrecht Harreus
Overall (1982): #77,022 of 81,411Top 95%
1
Patents 1982