Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391830 | Divalent cation-containing well drilling and servicing fluids | James W. Dobson, Jr., Kim O. Tresco | 2002-05-21 |
| 6300286 | Divalent cation-containing well drilling and service fluid | James W. Dobson, Jr., Kim O. Tresco | 2001-10-09 |