Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494537 | Chair mechanism | — | 2002-12-17 |
| 5785385 | Locking device for chair seats | Lars Holstensson | 1998-07-28 |
| 5378039 | Torsion spring and adjustable mounting for chair | — | 1995-01-03 |
| 5137330 | Adjustable chair | Steinar L. Flo, Per Lundstein | 1992-08-11 |