Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047771 | Method and a device for hauling a casing or the like up from a bore hole and for inserting the same down to a bore hole | — | 2000-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047771 | Method and a device for hauling a casing or the like up from a bore hole and for inserting the same down to a bore hole | — | 2000-04-11 |