Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698971 | Wood connector of sheet metal | — | 2004-03-02 |
| 5598680 | Joining element for joining wooden components | — | 1997-02-04 |
| 5062733 | Joining element for beams | Yanbo Cholid, Trygve Theordorsen | 1991-11-05 |