Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140712 | Wave energy converter | Gunnar Fredriksson, Bengt-Olov Sjostrom, Lennart Claesson | 2000-10-31 |
| 5104262 | Tunnel boring machine | Carl S. M. Hartwig, Nils M. Astrand | 1992-04-14 |