Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5026224 | Tool assembly | Sven Engstrand, Lars-Gunnar Asberg | 1991-06-25 |
| 4934883 | Tool assembly | Sven Engstrand, Lars G. sberg | 1990-06-19 |
| 4834597 | Tool assembly, tool components and method of assemblying said components | Sven Engstrand, Lars G. sberg | 1989-05-30 |
| 4270422 | Cutting tool | — | 1981-06-02 |