Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784823 | Corrosion protection | Hartmut Kroll, Gunther Luthardt, Volker Portscher | 1988-11-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784823 | Corrosion protection | Hartmut Kroll, Gunther Luthardt, Volker Portscher | 1988-11-15 |