Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8250823 | Dowels and methods for the assembly of insulating panels | Erhard Hackler, Ulrich Knebel | 2012-08-28 |
| 7320179 | Methods for the assembly of insulating panels | Erhard Hackler, Ulrich Knebel | 2008-01-22 |