Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934883 | Tool assembly | Ken G. E. Andersson, Sven Engstrand | 1990-06-19 |
| 4834597 | Tool assembly, tool components and method of assemblying said components | Ken G. E. Andersson, Sven Engstrand | 1989-05-30 |