Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6861567 | Spiro compounds, and their use | Hubert Spreitzer, Josef Salbeck | 2005-03-01 |
| 6335480 | Photovoltaic cell | Udo Bach, Michael Gratzel, Josef Salbeck, Donald Lupo | 2002-01-01 |