Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D291265 | Adjustable chair | Kjell A. Heggdal, Ola Haukvik, Harald Relling, Martin Lunde | 1987-08-11 |
| D290431 | Adjustable chair | Kjell A. Heggdal, Harald Relling, Martin Lunde, Ola Haukvik | 1987-06-23 |