Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323476 | Anticorrosive agent for aluminium and aluminium alloys | Rainer Helwerth | 1982-04-06 |
HL
Horst Lorke
Overall (1982): #57,975 of 81,411Top 75%
1
Patents 1982