Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7610911 | Heliothermal flat collector module having a sandwich structure | Frank Neumann, Markus Patschke | 2009-11-03 |
| 6916546 | Method for the production of dark protective layers on flat objects made from titanium zinc | Adolf Stradmann | 2005-07-12 |