Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4671698 | Sleeve for interconnecting rods provided with threads | — | 1987-06-09 |
| 4444372 | Tensile force absorbing anchoring in concrete | Ingvar Klingstedt, Artur E. Berggren | 1984-04-24 |