Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347144 | Process for the purification of effluent | Kurt Bodenbenner, Helmut Vollmuller | 1982-08-31 |
HP
Helmut Perkow
Overall (1982): #59,516 of 81,411Top 75%
1
Patents 1982