Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687368 | Thread structure for percussion rock drilling | Ake T. Eklof | 1987-08-18 |
| 4545443 | Means for drilling | — | 1985-10-08 |
| 4440244 | Drill tool | — | 1984-04-03 |
| 4408669 | Means for drilling | — | 1983-10-11 |