Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568148 | Covering element for building surfaces or the like and method for the production thereof | — | 2003-05-27 |
| 6505452 | Panel and fastening system for panels | Hans-Jürgen Hannig | 2003-01-14 |