Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4974380 | Framing for structural walls in multistory buildings | Gunnar Rise, Lars-Gunnar Lindberg | 1990-12-04 |
| 4630412 | Collapse preventing connection device for building structures | Bjorn Engstrom | 1986-12-23 |
| 4371031 | Arrangement for air conditioning control in buildings | Lars Skogstrom | 1983-02-01 |