Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4650518 | Container for the final storage of radioactive wastes | Paul Arntzen, Hans Pirk, Horst Vietzke | 1987-03-17 |
| 4472347 | Container for the long time storage of radioactive materials | Heinrich Quillmann | 1984-09-18 |