Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588035 | Down hole blow out preventer and method of use | Adrianus W. van Gils | 1986-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588035 | Down hole blow out preventer and method of use | Adrianus W. van Gils | 1986-05-13 |