Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131473 | Controlled rate well cementing tool | — | 1992-07-21 |
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131473 | Controlled rate well cementing tool | — | 1992-07-21 |