Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123550 | Collapsible light-weight framework for exhibition use | Hans J. Tolboll | 1992-06-23 |
| 4663899 | Collapsible exhibit panel | Finn Thelander | 1987-05-12 |
| 4580375 | Collapsible exhibit panel | Finn Thelander | 1986-04-08 |