Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869974 | Protecting plate of compound design and method of manufacturing the same | Rolf G. Oskarsson | 1989-09-26 |
| 4849300 | Tool in the form of a compound body and method of producing the same | Rolf G. Oskarsson, Johan P. von Holst | 1989-07-18 |