Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803195 | System, method and cutterhead for dry full-area drilling | Karl T. Haugen, Gert Lovgren, Stig-åke Brolund | 1998-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803195 | System, method and cutterhead for dry full-area drilling | Karl T. Haugen, Gert Lovgren, Stig-åke Brolund | 1998-09-08 |