Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829866 | Wooden beams with sections that are subjected to transversal tension | — | 2004-12-14 |
| 6669396 | Connecting element for connecting at least two wooden construction parts and a joint plate | — | 2003-12-30 |
| 6325583 | Screw for fixing wooden laths on a roof substructure or a wall foundation | Ernst Thurnherr | 2001-12-04 |