Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745806 | Drill rod gripping apparatus | Johan Jelgert, Krister B Eriksson, Ola FREDIN | 2017-08-29 |
| 9650849 | Drilling rig rod handling apparatus | Johan Jelgert, Per Vilen, Kent Evermark | 2017-05-16 |