Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916797 | Hydraulic retriever and method for changing probes arranged in pipes or vessels under pressure | Roe Dag Strömmen, Kjetil Wang | 1990-04-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916797 | Hydraulic retriever and method for changing probes arranged in pipes or vessels under pressure | Roe Dag Strömmen, Kjetil Wang | 1990-04-17 |