Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7774997 | System comprising a glazing element and a gas supply device | Wolfgang Graf | 2010-08-17 |
| 4713199 | Depository for radioactive waste and spent fuel cells | Harry Spilker, Heinz-Walter Peschl | 1987-12-15 |